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 1400 liters per hour. What is the flow in each pipe?
A) 700 liters/hr hot, 467 liters/hr cold
B) 840 liters/hr hot, 560 liters/hr cold
C) 467 liters/hr hot, 700 liters/hr cold
D) 560 liters/hr hot, 840 liters/hr cold

Question

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 1400 liters per hour. What is the flow in each pipe? 
A) 700 liters/hr hot, 467 liters/hr cold
B) 840 liters/hr hot, 560 liters/hr cold
C) 467 liters/hr hot, 700 liters/hr cold
D) 560 liters/hr hot, 840 liters/hr cold

Quizplus · Accepted Answer

Using Cramer's Rule, set up the equations: 2H = 3C and H + C = 1400. Solving these gives H = 840 and C = 560.

Solve Using Cramer's Rule