Math

X is partly constant and partly varies with y.when y=3,x=7

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  1. What are we finding?
    The equation?

    let y = kx
    for the given values:
    3 = 7k
    k = 3/7

    so y = (3/7)x
    or x = (7/3)y
    or y/x = 3/7
    or y : x = 3 : 7
    etc

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