Solve the problem by using two equations with two variables.A barge takes 4 hours to move (at a constant rate) downstream for 32 miles, helped by a current of 2 miles per hour. If the barge's engines are set at the same pace, find the time of its return trip against the current.
A. 8 hours
B. 6 hours
C. 64 hours
D. 4 hours
Answer: A
Mathematics
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