A salesman made a trip of 350 miles by bus and train. He traveled 2 hours by bus and 4 hours by train. If the train averaged 20
mph more than the bus, find the rate of each.
1 answer:
(x)(2)+(x+20)(4)=3502x+4x+80=3506x+80=3506x+80-350=2706x+270/6=45 rate of bus45+20 = rate of train
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