Question
Fritz normally commutes at an average speed of 21 miles per hour, but this morning's heavy traffic held him to only 15 miles per hour.
Fritz normally commutes at an average speed of
21
miles per hour, but this morning's heavy traffic held him to only
15
miles per hour. He must determine whether he can drive home fast enough this evening in order to maintain his usualround-trip average speed.
In order to maintain his usual average round-trip speed, Fritz will have to drive home at?
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Precalculus Enhanced With Graphing Utilities
Authors: Michael Sullivan, Michael Sullivan III
7th Edition
0134268210, 9780134268217
