Solve the problem. Round approximations to an appropriate number of significant digits.A mechanic has some 30% antifreeze solution and some 50% solution. How many liters of each should be used to get 25 liters of a 38% solution?

A. 15 liters at 30%
10 liters at 50%
B. 15.5 liters at 30%
9.5 liters at 50%
C. 16 liters at 30%
9 liters at 50%
D. 10 liters at 30%
15 liters at 50%


Answer: A

Mathematics

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