A driver took a​ day-trip driving at two different speeds. He drove 90 miles at a slower speed and 260miles at a speed 20miles per hour fast

Question

A driver took a​ day-trip driving at two different speeds. He drove 90 miles at a slower speed and 260miles at a speed 20miles per hour faster. If the time spent during the faster speed was twice that spent at a slower​ speed, find the two speeds during the trip.

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3 months 2022-02-11T12:38:51+00:00 1 Answer 0 views 0

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    2022-02-11T12:40:09+00:00

    Answer:

    Step-by-step explanation:

    140n+5600=300n

    160n=5600

    n=35

    The slow speed was 35 mph. The faster speed was 75 mph..

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45:7+7-4:2-5:5*4+35:2 =? ( )