SOLUTION: If y varies directly as x, and x = 10 when y = 4, find y when x = 5

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Question 1173918: If y varies directly as x, and
x = 10
when
y = 4,
find y when
x = 5

Answer by math_helper(2461)   (Show Source): You can put this solution on YOUR website!


y = k*x
4 = k*10
k = 4/10 = 2/5
So y = (2/5)x
When x=5, y = (2/5)*5 =
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