Translate the problem to a system of equations, then solve using Cramer's Rule.Twice the water flow in the hot-water pipe is the same as three times the flow in the cold-water pipe. The combined flow is 1200 liters per hour. What is the flow in each pipe?
A. 600 liters/hr hot, 400 liters/hr cold
B. 400 liters/hr hot, 600 liters/hr cold
C. 720 liters/hr hot, 480 liters/hr cold
D. 480 liters/hr hot, 720 liters/hr cold
Answer: C
Mathematics
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B. 
C. {0}
D. 
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A. 
B. 
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