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Assume that y varies directly with x. If x=5 when y=-8 find x when y=16

Assume that y varies directly with x. If x=5 when y=-8 find x when y=16
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3 votes
Assume that y varies directly with x. If x=5 when y=-8 find x when y=16

User Mark Fowler
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3 votes
The answer would be ×=-10. Because 2y would be equal to 2x. 2x= (-5*2)
User Mike Hill
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Is it -10? Because -8 to 16 is multiplying by -2, so 5 x -2 = -10. I'm not sure though because I don't know exactly what 'varies directly' means.
User Niclas Von Caprivi
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8.0k points
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