Suppose that y is directly proportional to x. Use the given information to find the constant of proportionality k. Then use y = kx to find y for the given value of x.y = 7.5 when x = 15;
Find y given x = 6.
A. k = 0.5; y = 3
B. k = 112.5; y = 
C. k = 1.5; y = 2.4
D. k = 0.5; y = 2.4
Answer: A
Mathematics
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?
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