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The sum of three numbers is 81 and their ratio is 3:7:17. What is the value of the smallest number?

  • math -

    Add up the ratios 3:7:17 to get 27.
    Since ratios can be scaled, we can scale the ratios to have a sum of 81 by multiplying the ratios by 3,i.e.
    3:7:17 ≡ 9:21:51.
    Can you take it from here?

  • math -

    no i need the answer please

  • math -

    Try to add up the three numbers 9,21 and 51 and see what you get.
    You're welcome to confirm your answer if you are not sure.

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