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anonymous

  • one year ago

Brad can make 4 key chains in an hour. Velma can make only 3 key chains in an hour, but she already has 6 completed key chains. Explain to Brad how he can use a system of equations to determine when he will have the same number of key chains as Velma. Use complete sentences.

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  1. anonymous
    • one year ago
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    How do you think we should begin?

  2. anonymous
    • one year ago
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    well

  3. anonymous
    • one year ago
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    i honestly have no idea

  4. anonymous
    • one year ago
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    ok

  5. anonymous
    • one year ago
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    So a systems of equations solves for when two things are the same, in this case when the number of bracelets made is equal

  6. anonymous
    • one year ago
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    am i using subsitution

  7. anonymous
    • one year ago
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    ok

  8. anonymous
    • one year ago
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    how many has brad made?

  9. anonymous
    • one year ago
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    im guessing 4

  10. anonymous
    • one year ago
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    it says she can make 4 in an hour. so every hour is 8 key chains.

  11. anonymous
    • one year ago
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    Brad makes 4 per hour, so the number of keychains after x hours is 4x. Velma makes 3 per hour, so her number should be 3x, but she started with 6, so we must add that.. After x hours, she will have made 6 + 3x, while brad will have made 4x To solve when the number of bracelets will be the same, we will have to find x. The # of bracelets will be equal when both equations equal each other, so when 3x + 6 = 4x

  12. anonymous
    • one year ago
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    Solve the equation

  13. anonymous
    • one year ago
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    how is it 8 keys if every hour is 4

  14. anonymous
    • one year ago
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    what i mean is every hour if you add 4+4 thats 8.

  15. anonymous
    • one year ago
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    the answer would be 6

  16. anonymous
    • one year ago
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    what you mean is every i houre she/he makes 4 and if you add 4+4 it =8. and when he makes 8 that is an equivilant of one hour

  17. anonymous
    • one year ago
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    okay

  18. anonymous
    • one year ago
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    i get that

  19. anonymous
    • one year ago
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    ok how bout this. 4x1=4 4x8=32

  20. anonymous
    • one year ago
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    okay what does that have to do with the problem

  21. anonymous
    • one year ago
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    it means in one hour he will have 4 in another hour he will have 8

  22. anonymous
    • one year ago
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    so what would be the answer to the problem?

  23. anonymous
    • one year ago
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    32x6=192

  24. anonymous
    • one year ago
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    in words please:/

  25. anonymous
    • one year ago
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    in words please:/

  26. anonymous
    • one year ago
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    ok ill translate

  27. anonymous
    • one year ago
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    thank you

  28. anonymous
    • one year ago
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    its probilly 18 im not 100% sure

  29. anonymous
    • one year ago
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    lol ill take whatever at this point

  30. anonymous
    • one year ago
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    lol me to

  31. phi
    • one year ago
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    You start by reading Brad can make 4 key chains in an hour. and this sentence Explain to Brad how he can use a system of equations to determine when he will have the same number of key chains as Velma. "when he will have..." means they want us to find time (in hours) if we want to find hours, give it a "name" like "x" x is the number of hours when both people have the same number of chains.

  32. phi
    • one year ago
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    Now back to Brad can make 4 key chains in an hour. if Brad works for 1 hour, how many chains will he make? if he works for 2 hours? for 3 hours? for x hours? (you get the answer by multiplying rate * time, or in this case 4 * x) if you let y be the name for "number of chains", you write y=4x and that is short for y (number of chains) is 4 times number of hours worked

  33. phi
    • one year ago
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    now try to do the same kind of thinking for Velma Velma can make only 3 key chains in an hour, but she already has 6 completed key chains.

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