Answer:
B. 80 miles
Explanation:
A bike travels 24 miles in 3 hours
how many miles does it travel in 10 hours at the same rate/
its a ratio and proportion
24 miles x
------------- = --------------
3 hours 10 hours
cross multiply:
3 x = 24 (10)
3 x = 240
x = 240 miles / hour
3 hours
x = 80 miles
so the answer is B. 80 miles