1.

A boat can cover a distance of 7.2 km downstream and 3.2 km upstream in 2 hours. It can also cover 1.5 km downstream and 0.6 km upstream in 24 minutes. What is the speed of the boat when going downstream (in km/h)?

A. 5
B. \(7\frac{1}{2}\)
C. \(4\frac{1}{2}\)
D. 6
Answer» E.


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