Solve the problem.Suppose that y is inversely proportional to x and that y = 20.5 when x = 5. Find the constant of proportionality k. Then, find y when x = 25.
A. k = 4.1; y = 102.5
B. k = 102.5; y = 4.1
C. k = 115; y = 4.6
D. k = 100.5; y = 4.1
Answer: B
Mathematics
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