SOLUTION: A car travels 2/5 mile in 1/2 minute. What is the car's speed in miles per hour? Explain how you determined your answer.

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Question 927262: A car travels 2/5 mile in 1/2 minute. What is the car's speed in miles per hour? Explain how you determined your answer.
Found 2 solutions by ewatrrr, MathLover1:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
2/5 mile in 1/2 minute
0r
4/5mi = .8mi in 1min
+%28.8mi%2F%281min%29%29%2860%2F60%29 = 48mph

Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

if car travels %282%2F5%29mil%2F%281%2F2%29min =>2%282%2F5%29%28mil%2Fmin%29=%284%2F5%29%28mil%2Fmin%29
since 1h=60min multiply %284%2F5%29mil by 60 to get the number of miles per hour %284%2Fcross%285%29%29cross%2860%2912%28mil%2Fh%29=4%2A12%28mil%2Fh%29=48%28mil%2Fh%29