The first bird can fly about 20 mph faster than the second one. In the same time that the first bird travels 120 miles, the second bird travels 60 miles. Find their flying speeds. 

A. The first bird: 41 mph; the second bird: 21 mph
B. The first bird: 37 mph; the second bird: 17 mph
C. The first bird: 40 mph; the second bird: 20 mph
D. The first bird: 42 mph; the second bird: 22 mph
E. The first bird: 36 mph; the second bird: 16 mph


Answer: C

Mathematics

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