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)
(
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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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