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Griffindore

  • one year ago

I have a couple questions

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  1. Griffindore
    • one year ago
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    Craig wants to use an elevator to carry identical packages having the same weight. Each package weighs 4 pounds and Craig weighs 90 pounds. If the elevator can carry a maximum of 330 pounds at a time, which inequality shows the maximum number of packages, n, that Craig can carry with himself in the elevator if he is the only passenger? n ≥ 60 n ≤ 60 n ≤ 236 n ≥ 236

  2. Griffindore
    • one year ago
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    hey jk

  3. Griffindore
    • one year ago
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    i was gonna ask u this to but u left

  4. anonymous
    • one year ago
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    Hello! The elevator can't carry more then 330 pounds. Since he already weighs 90 pounds, The packages can't exceed 330-90.

  5. Griffindore
    • one year ago
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    ya i know that much

  6. Griffindore
    • one year ago
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    but why 330 to (90)

  7. anonymous
    • one year ago
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    You then take that number 330-90, and divide by 4, to see how many packages he can carry. It's 330 to 90 because, we need to subtract his weight from the total amount the elevator can carry.

  8. Griffindore
    • one year ago
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    oh minus 90 wow thats easy i didnt even relize tysm can u do 1 more

  9. Janu16
    • one year ago
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    Since Craig weighs 90 pounds we have to subtract 90 from the maximum capacity of the elevator: 330. That's 240 pounds. Then we decide 240 by 4 to find out how many packages he can carry so 240m divided by 4 is 60. This means that Craig can carry no more than 60 packages with him on the elevator so the answer is the second inequality.

  10. Griffindore
    • one year ago
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    wait is it a or b

  11. Griffindore
    • one year ago
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    wjat does n stand for

  12. anonymous
    • one year ago
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    If you take 330 - 90, divide it by 4. Then you'll know the "maximum" that he can carry. The n stands for the number of packages.

  13. Griffindore
    • one year ago
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    oh ok so b

  14. Janu16
    • one year ago
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    b

  15. Janu16
    • one year ago
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    i explained on the top how its b

  16. anonymous
    • one year ago
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    Yes. When you do the math you get b as your answer. Since n can't exceed the number.

  17. Griffindore
    • one year ago
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    The sum of three consecutive numbers is 72. What is the largest of these numbers? 23 25 26 28 what is the three consecutive numbers

  18. Janu16
    • one year ago
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    (x-2)+(x-1)+x = 72 3x - 3 = 72 3x = 72+3 3x = 75 x = 75/3 x = 25 So the largest of the three consecutive numbers is 25.

  19. Janu16
    • one year ago
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    hope it helps

  20. Griffindore
    • one year ago
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    i still dont get what the consecutive means, the largest number?

  21. anonymous
    • one year ago
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    Consecutive means in a row, like 1, 2, 3, 4, 5....

  22. Griffindore
    • one year ago
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    oh ok

  23. Griffindore
    • one year ago
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    wait so is the question asking the next 3 numbers after the choices

  24. anonymous
    • one year ago
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    In other words you are finding 3 numbers in a row that add to 72. You can use the formula (x+2)+(x+1) +x = 72 or think about what 3 numbers can add up to 72.

  25. Griffindore
    • one year ago
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    honestly i am still SUPER confused on what the question

  26. anonymous
    • one year ago
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    The question is asking what are 3 numbers in a row that can add to 72. Then you have to find the largest of those 3 numbers.

  27. Griffindore
    • one year ago
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    is asking*

  28. Griffindore
    • one year ago
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    but i can only pick 1

  29. anonymous
    • one year ago
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    Yes, so once you find the 3 numbers that add to 72, you pick the largest one.

  30. Griffindore
    • one year ago
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    oh ok

  31. Griffindore
    • one year ago
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    23 25 26 28 are the numbers

  32. anonymous
    • one year ago
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    The "formulaic way" to solve it, is by using what @Janu16 said, but since that might be advanced for you, just think of 3 numbers in a row that add to 72. Then take the largest number from the 3. Than's how you get your answer.

  33. Griffindore
    • one year ago
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    wait can u just me an eample

  34. anonymous
    • one year ago
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    3 Consecutive numbers that add to 9 is 2 + 3 + 4. The largest of those numbers is 4.

  35. Griffindore
    • one year ago
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    oh ok

  36. Griffindore
    • one year ago
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    ok so not a

  37. Griffindore
    • one year ago
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    oh its b

  38. anonymous
    • one year ago
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    Right, all you have to do is find 3 numbers that add to 72, and find the largest one. You have to think. Yes, it's b.

  39. Griffindore
    • one year ago
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    ya i get it now tysm

  40. Griffindore
    • one year ago
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    one more question

  41. Griffindore
    • one year ago
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    how do u figure out the percentage of a number to be a number

  42. Griffindore
    • one year ago
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    like 15% of a 56-page book.

  43. Janu16
    • one year ago
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    write the whole question

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