SOLUTION: a car travels 50 miles in 1hour and 15 mins what was the average speed?

Question 392318: a car travels 50 miles in 1hour and 15 mins what was the average speed?
Found 2 solutions by rfer, NancyLam:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
r=D/t
r=50/1.25
r=40 mph
Answer by NancyLam(35) (Show Source): You can put this solution on YOUR website!
(1 hours 15 minute= 75 minutes), average speed 1 hour = 60 minutes
75minut = 50mile
60minutes= miles?
75min/5mile=60min/mile
use recipcical to solve
(60min x 50mile)/75 minu=3000/75
average speed 1 hour = 40mile/1 hour
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