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rainbow_rocks03

  • one year ago

Which number can replace the variable to make these fractions equivalent? n/7 = 54/42 A. 4 B. 6 C. 8 D. 9

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  1. anonymous
    • one year ago
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    multiply both sides by 7

  2. rainbow_rocks03
    • one year ago
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    so 7*7=49

  3. anonymous
    • one year ago
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    what is n/7 x 7

  4. rainbow_rocks03
    • one year ago
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    n/49

  5. anonymous
    • one year ago
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    nope

  6. anonymous
    • one year ago
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    ignore the n. 1/7 x 7

  7. rainbow_rocks03
    • one year ago
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    1

  8. anonymous
    • one year ago
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    correct, now put the n back

  9. anonymous
    • one year ago
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    1 x n?

  10. rainbow_rocks03
    • one year ago
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    7 ?

  11. anonymous
    • one year ago
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    huh? 1 x n is just n

  12. anonymous
    • one year ago
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    The whole point of this is just to find what n equals

  13. rainbow_rocks03
    • one year ago
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    oh yeah I forgot that

  14. anonymous
    • one year ago
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    now what we do to one side of the equation we do to the other

  15. rainbow_rocks03
    • one year ago
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    multiply?

  16. anonymous
    • one year ago
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    so we have n = (54/42) x 7

  17. anonymous
    • one year ago
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    what does n equal?

  18. rainbow_rocks03
    • one year ago
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    9 and 9=D

  19. anonymous
    • one year ago
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    correct

  20. rainbow_rocks03
    • one year ago
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    thx

  21. anonymous
    • one year ago
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    np

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