Answer:
60 miles
Explanation:
We know
3/5 = 0.6
one-quarter of an hour = 15 minutes
So, we know
0.6 mile in 15 minutes
2 1/2 hours = 150 minutes
0.6 times 10 = 60 miles
So, the bird flies 60 miles in 2 1/2 hours.
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