Raymond B. answered • 02/18/21
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Math, microeconomics or criminal justice
16X = 20(9-X) = 180 -20X
36X = 180
X = 180/36 = 5 hours at 16 mph
9-X = 9-5 = 4 hours at 20 mph
Lillie S.
asked • 02/18/21Practice Age Word Problem
Russell went to the library traveling 16 mph and returned home traveling 20 mph. If the total trip took 9 hours, how long did Russell travel at each speed?
____hours at 16 mph
____hours at 20 mph
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