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Suppose y varies directly as x and y = 21 an x=3 find x when y=42
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Suppose y varies directly as x and y = 21 an x=3 find x when y=42

User Verlager
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I think X=6. Because If y=21 then is multiplied by 2 (y=21*2). So x=3*2=6
User Dull Bananas
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