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tiff1998g Group Title

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

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

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

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

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

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

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

    • 2 years ago
  7. tiff1998g Group Title
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    thank you

    • 2 years ago
  8. ParthKohli Group Title
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    You're welcome!

    • 2 years ago
  9. jiteshmeghwal9 Group Title
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    as well as my equation was also right :P

    • 2 years ago
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