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5 March, 19:50

Carolyn, Julia, and Roberta share $77 in a ratio of 4:2:1, respectively. How many dollars did Carolyn recieve?

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  1. 5 March, 21:12
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    4x = 44 which is Carolyn's share.

    Step-by-step explanation:

    Equation

    Use a variable to find out how the sum of the ratios would be divided up to make 77 dollars.

    4x + 2x + x = 77 Combine like terms on the left

    Solution

    7x = 77 Divide by 7

    7x/7 = 77/7 Do the division

    x = 11

    Answer

    4*11 = 44 which is Carolyn's share

    2*11 = 22 which is Julia's Share

    1*11 = 11 which is Roberta's share.
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