The pool
The pool contains 220 m3 of water. Workers can empty the pool either:
a) 10 hours of pipe B and 8 hours of pipe A, or
b) 10 hours of pipe A and 7 hours of pipe B.
How many cubic meters of water will flow in 1 hour from pipe A, and how many from pipe B?
a) 10 hours of pipe B and 8 hours of pipe A, or
b) 10 hours of pipe A and 7 hours of pipe B.
How many cubic meters of water will flow in 1 hour from pipe A, and how many from pipe B?
Correct answer:
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