kellog851 kellog851

24-10-2020
Mathematics

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

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felixkings felixkings

24-10-2020

Answer:

[tex]x = 40.[/tex]

Step-by-step explanation:

[tex]if \: \: y = kx \: then \\ k = y \div x \: and \: x = y \div k \\ so \: k = 0.6 \: and \: x = 40 \: when \: y \: is \: 24.[/tex]

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