SOLUTION: If y varies directly as x and y = 6 when x = 2, find y when x = 5. A. 5/3 B. 2.4 C. 15 D. 6

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Question 436241: If y varies directly as x and y = 6 when x = 2, find y when x = 5.
A. 5/3
B. 2.4
C. 15
D. 6

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi
*Note: When Quantities vary directly,they are related by the relationship:
k being the constant of proportionality.
If y varies directly as x and y = 6 when x = 2, find y when x = 5
y = kx
6 = k2
3 = k
y = 3*5 = 15 when x = 5
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