2021 Fall AMC 10A Problems/Problem 4
Problem
Mr. Lopez has a choice of two routes to get to work. Route A is miles long, and his average speed along this route is miles per hour. Route B is miles long, and his average speed along this route is miles per hour, except for a -mile stretch in a school zone where his average speed is miles per hour. By how many minutes is Route B quicker than Route A?
Solution
If Mr. Lopez chooses Route A, then he will spend hour, or minutes.
If Mr. Lopez chooses Route B, then he will spend hour, or minutes.
Therefore, Route B is quicker than Route A by minutes.
~MRENTHUSIASM
See Also
2021 Fall AMC 10A (Problems • Answer Key • Resources) | ||
Preceded by Problem 3 |
Followed by Problem 5 | |
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All AMC 10 Problems and Solutions |
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