Write an equation to describe the relationship and solve the problem.y varies directly as x. If y = 0.10 when x = 0.2, find y when x = 1.9.
A. y = 5x; 95
B. y = 0.05x; 0.95
C. y = 0.5x; 9.5
D. y = 0.5x; 0.95
Answer: D
Mathematics
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