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 1300 liters per hour. What is the flow in each pipe?
A. 520 liters/hr hot, 780 liters/hr cold
B. 433 liters/hr hot, 650 liters/hr cold
C. 780 liters/hr hot, 520 liters/hr cold
D. 650 liters/hr hot, 433 liters/hr cold
Answer: C
Mathematics
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, 
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, . . .
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A. 7
B. 18
C. 
? 8.8
D. 
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