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tiff1998g

  • 3 years ago

rachels brother is 33 years old . he is 3 times rachels age 16 years ago . how old is rachel ?

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  1. tiff1998g
    • 3 years ago
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    its multiple choice so the answers could either be 11 , 27 , 16, or 24

  2. ParthKohli
    • 3 years ago
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    \[\rm b = 33 \wedge b = 3(r - 16) \implies 33=3(r - 16)\]

  3. ParthKohli
    • 3 years ago
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    That speaks - if b = 33 and b also = 3(r - 16), then 33 = 3(r - 16).

  4. tiff1998g
    • 3 years ago
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    i dont really need the work to show ho you did it , the answer by it self is fine :)

  5. jiteshmeghwal9
    • 3 years ago
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    Let rachel's age be n 16 years ago Rachel will be n-16. 3(n-16)=33

  6. ParthKohli
    • 3 years ago
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    \[\rm {33 \over 3} = r - 16\]\[{33 \over 3} + 16 = r\]

  7. tiff1998g
    • 3 years ago
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    thank you

  8. ParthKohli
    • 3 years ago
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    You're welcome!

  9. jiteshmeghwal9
    • 3 years ago
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    as well as my equation was also right :P

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