Question
Asked Sep 11, 2019
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Wendy took a trip from one city to another, a distance of 200 mi. She traveled part of the way by bus, which arrived at the train station just in time for Wendy to complete her journey by train. The bus averaged 40 mi/h, and the train averaged 100 mi/h. The entire trip took 3 1/2 h

How long did Wendy spend on the train?

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Expert Answer

Step 1

Refer to the question,

Consider the bus data as, speed of bus 40 mi/hr and let the time se travelled on bus be x hours.

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speed Distance Time Db 40 х D 40x

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Step 2

Similarly for train speed is 100 mi/hr as total time of journey was 3.5 hours and x hr Wendy travelled on bus then on train she must have travelled (3.5-x)hr.

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D, speed = (3.5-t) Di 90 (3.5-t D, 100 (3.5-)

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Step 3

According to the question tot...

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40x 100(3.5-= 200 40x 350 100x 200 60x 150 x 2.5h

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