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15 December, 07:40

y and x have a proportional relationship, and y = 28 when x = 21. What is the value of x when y = 42? A. 14 B. 18 2/3 C. 31 1/2 D. 56

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  1. 15 December, 10:59
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    C 31 1/2

    Step-by-step explanation:

    21/28 = x/42 solve for x
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