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24 July, 17:50

Suppose y varies jointly as x and z. Find y when x = 2 and z = 11, if y = 160 when x = 3 and z = 8. Round your answer to the nearest hundredth, if necessary.

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  1. 24 July, 21:34
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    Step 1 - y=kxz

    160=k (3) (8)

    160=k (24)

    24/160 = (k) 24/24

    6.667=k

    Step 2 - y=kxz

    y = (6.667) (2) (11)

    y=146.67
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