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25 June, 00:05

The variable, y, varies directly with x. If y = 26 when x = 21,

what is y when x = 64?

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Answers (1)
  1. 25 June, 01:12
    0
    y=69

    Step-by-step explanation:

    first step:when y=26 and x=21

    c=y-x

    c=26-21

    c=5

    second step: when y is unknown and x=64

    To find y we simply add the value of c to x

    y=x+c

    y=64+5

    y=69
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