One pump can empty a pool in 4 days, whereas a second pump can empty the pool in 11 days. How long will it take the two pumps, working together, to empty the pool? (Fractional answers are OK.) The first pump's rate is | per day. The second pump's rate is per day. The combined pumps rate is per day. It will take the two pumps days to empty the pool together.
One pump can empty a pool in 4 days, whereas a second pump can empty the pool in 11 days. How long will it take the two pumps, working together, to empty the pool? (Fractional answers are OK.) The first pump's rate is | per day. The second pump's rate is per day. The combined pumps rate is per day. It will take the two pumps days to empty the pool together.
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter11: Systems Of Equations
Section11.CR: Review Problem Set
Problem 41CR
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