Multiple Choice
A swimming pool can be emptied in 4 hours using two pumps--a 10-horsepower pump along with a 6-horsepower pump. The 6-horsepower pump takes 6 more hours than the 10-horsepower pump to empty the pool alone. How long would it take the 10-horsepower pump to empty the pool alone?
A) 9 hrs
B) 7 hrs
C) 6 hrs
D) 8 hrs
E) none of these
Correct Answer:
Verified
Correct Answer:
Verified
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