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bbb911

  • one year ago

For an average adult, the weight of the right lung is greater than the weight of the left lung. if the right lung weighs 1.5 pounds and the left lung weighs 1.25 pounds, find the difference in grams. Round the result to the nearest ten

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  1. dave0616
    • one year ago
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    you are looking for a length measurement based off of a weight measurement?

  2. Best_Mathematician
    • one year ago
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    exactly @dave0616 it cant be converted unless you have full question or something else

  3. bbb911
    • one year ago
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    im confused a bit

  4. dave0616
    • one year ago
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    There is no correlation between a weight (1.5 lbs, or w.e the number was) and a length. There either needs to be more information, or you arent looking for millimeters

  5. bbb911
    • one year ago
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    wait i see let me recorrect the question

  6. bbb911
    • one year ago
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    tht should do it

  7. dave0616
    • one year ago
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    that is definitely better. hahaha well in 1 pound there are 453.59 grams. so you will have to set up some conversion tables. \[1.5lb * \frac{ 453.59 g }{ 1 lb }\] the pounds will then cancel, and then you are left multiplying the 1.5 by 453.59, and the units will come out to be grams because that is the only thing left. you will simply have to do the same thing for the other lung.

  8. dave0616
    • one year ago
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    @Best_Mathematician if you see an error in my math/method please clear it up, but i believe this is correct

  9. bbb911
    • one year ago
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    okay and so what happens to the 1.25 pounds ?

  10. dave0616
    • one year ago
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    they are two separate problems because you are only trying to convert them both to grams, or am i mistaken?

  11. bbb911
    • one year ago
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    no their both included with that same problem

  12. dave0616
    • one year ago
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    oh im sorry i didnt read the rest of the problem hahaha. I dont just want to give you the answer, but i will help you along. did you convert 1.5 lbs to grams?

  13. bbb911
    • one year ago
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    its kk :)

  14. bbb911
    • one year ago
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    no its okay i don't want you to i wanna be able to get cos i kept on messing up with this one kinda made me angry when i was soo freaken despreate to figure it out

  15. dave0616
    • one year ago
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    ok i just always want to make that clear to people so that they dont get mad at me when i dont spit out an answer hahaha. ok, did you convert 1.5 lbs to grams?

  16. bbb911
    • one year ago
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    i thought i had to multiply 1.5 by 1.25

  17. bbb911
    • one year ago
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    then to convert it that way but that is where i am confused

  18. dave0616
    • one year ago
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    nope, first what you are going to want to do is convert both lbs to grams because you are looking for the difference between the two in grams. which means you are subtracting the smaller one from the larger one. so bascially the 1.5 and 1.25 dont interact until after they are converted.

  19. bbb911
    • one year ago
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    so do i subtract 1.5 to 1.25 right?

  20. dave0616
    • one year ago
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    well that is another way to approach the problem to get the same answer, and you will only have to convert to grams once, so sure lets go about it that way. so you will subtract 1.25 from 1.5: 1.5-1.25 = .25lbs

  21. dave0616
    • one year ago
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    do you understand up to this point?

  22. bbb911
    • one year ago
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    yes okay now i convert .25 to grams right?

  23. dave0616
    • one year ago
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    yes that is correct. let me know what you get so i can compare it to my answer

  24. bbb911
    • one year ago
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    kk :) one sec

  25. bbb911
    • one year ago
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    okay one quick question how many pounds in grams?

  26. dave0616
    • one year ago
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    nope, other way around haha, if you look up a few posts, there are 453.59g in 1 lb. so you are going to set up the conversion table of: .\[.25lbs*\frac{ 453.59g }{ 1 lb }\] the lbs will cancel and you will only be left with g, so alll you do is multiply .25 by 453.59 g

  27. bbb911
    • one year ago
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    okay forget the last part where it says to round to the nearest ten it wasn't necessary

  28. bbb911
    • one year ago
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    okay i got 113.4

  29. dave0616
    • one year ago
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    that is what i got as well so your answer should be correct! do you understand how to do it? or do you need me to explain why we did what we did?

  30. bbb911
    • one year ago
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    i think i got it wrong

  31. dave0616
    • one year ago
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    well if you got it wrong so did i hahaha, but im pretty sure you got it write

  32. dave0616
    • one year ago
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    *right

  33. bbb911
    • one year ago
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    cos the right answer says 112.5 g

  34. bbb911
    • one year ago
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    yea lol i don't know how i would get that answer tho

  35. dave0616
    • one year ago
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    hmmmmmm i honestly think the answer might be wrong because i got 113. 4 as well. and i did it two different ways.

  36. bbb911
    • one year ago
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    maybe it might be a typo but ill have my professor take note of it maybe she could explain why it would be the other answer however thank you very much for helping thank a lot :)

  37. dave0616
    • one year ago
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    i think that is what it is if i did it two ways, and you did it, and we got the same answer three times haha. no problem at all!

  38. bbb911
    • one year ago
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    thanks :) lol

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