Suppose y varies directly as x, and y = 5.4 when x = 9. Find x when y = 24.

asked Jun 5, 2021 49.5k views

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Answer:

x = 40.

Explanation:

$if \: \: y = kx \: then \\ k = y / x \: and \: x = y / k \\ so \: k = 0.6 \: and \: x = 40 \: when \: y \: is \: 24.$

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