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1. |
The ratio of the speeds of the two airplanes is 11: 18. If the first airplane covers a distance of 1650 km in 3 hours, then what is the speed (m / s) of the second airplane? |
A. | 270 |
B. | 200 |
C. | 250 |
D. | 225 |
Answer» D. 225 | |