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If y is directly proportional to x and given y = 9 when x = 5, find y when x = 15
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If y is directly proportional to x and given y = 9 when x = 5, find y when x = 15

User DarkCrow
by
7.1k points

1 Answer

5 votes

Answer:

27

Explanation:

y=kx

9=k*5, so k=9/5

when x=15

y=(9/5)*15=27

User Peacelyk
by
7.1k points
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