A trucker drove 144 miles to make a delivery and returned home on the same route. Because of foggy conditions, his average speed on the return trip was 25 mph less than his average speed going. If the return trip took 4 hours longer, how fast did he drive in each direction? going: ___ mph returning: ___mph
A trucker drove 144 miles to make a delivery and returned home on the same route. Because of foggy conditions, his average speed on the return trip was 25 mph less than his average speed going. If the return trip took 4 hours longer, how fast did he drive in each direction? going: ___ mph returning: ___mph
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.10: Inverse Variation
Problem 4E
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A trucker drove 144 miles to make a delivery and returned home on the same route. Because of foggy conditions, his average speed on the return trip was 25 mph less than his average speed going. If the return trip took 4 hours longer, how fast did he drive in each direction?
going: ___ mph
returning: ___mph
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