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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. | |