[tex]\color{lime}\underline\mathbb{QUESTION:}[/tex]
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16. Find y when x= 3, if y varies directly as x and y = 9 when x = 1.
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y varies directly as x
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[tex]\color{green}\underline\mathbb{SOLUTION:}[/tex]
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[tex]\color{yellow}\underline\mathbb{ANSWER:}[/tex]