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18 October, 19:23

If y varies directly with x and y=4 when x=12 then what is the value of y when x=40

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  1. 18 October, 22:27
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    The answer to your question is: y = 13.3333

    Step-by-step explanation:

    This is a ratio and proportion problem

    We know that

    12 : 4 : : 40 : y

    y = (4 x 40) / 12

    y = 160 / 12

    y = 13.3333
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