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Y varies directly with x. If y=10 when x=5, find y when x=6

User Faegy
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1 Answer

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Answer:

y = 12

Explanation:

given y varies directly with x, then the equation relating them is

y = kx ← k is the constant of variation

to find k use the condition y = 10 when x = 5

10 = 5k ( divide both sides by 5 )

2 = k

y = 2x ← equation of variation

when x = 6 , then

y = 2 × 6 = 12

User Ltfishie
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