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25 June, 01:14

Y varies derectly as x and y=10 when x=2.5 find y if x = 18

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Answers (2)
  1. 25 June, 01:29
    0
    y=72?

    I hope this is right.-. I havent done this kind of question in a while
  2. 25 June, 05:13
    0
    y = 72

    Step-by-step explanation:

    y∝x

    y=kx

    10=2.5k

    k=10/2.5

    k=4

    equation connecting y and x is giving as

    y=kx

    y=4x

    when x=18

    y = 4*18

    y = 72
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