Solve the problem. Round your answer to the nearest tenth, if necessary.Sue rowed her boat across and back Lake Bend in 3 hr. If her rate rowing back was 2 mph less than the rate rowing across, and if the distance each way was 7 mi, find her rate rowing across.

A. 1.5 mph
B. 5.5 mph
C. 3.7 mph
D. 5.9 mph


Answer: D

Mathematics

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