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If y varies directly as x, and y is 180 when x is n and y is n when x is 5, what is the value of n? 6

User Koosa
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1 Answer

3 votes

Answer: n = 30

Explanation:

if y varies directly as x, then y = kx

so y/x = constant

180 = k * n

180/n = y/x

180/n = n/5

Let us find n

180/n = n/5

180*5 = n*n

900 = n^2

n = 30

From MysticAlanCheng

User Doug Simonton
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