The value of y varies directly with x. If x = 5 when y = 12, what is the value of x when y = 30?

Question

The value of y varies directly with x. If x = 5 when y = 12, what is the value of x when y = 30?

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Yến Oanh 5 years 2021-07-24T08:43:56+00:00 1 Answers 16 views 0

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  1. thienan
    0
    2021-07-24T08:45:43+00:00
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    Answer:

    12.5

    Step-by-step explanation:

    y= kx

    k= y/x

    x= 5, y= 12

    k = 12/5

    Therefore the value of x when y is 30 can be calculated as follows

    y = kx

    30= 12/5x

    x= 30÷12/5

    x= 30× 5/12

    x= 150/12

    x= 12.5

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