Tomas and Tasha were hiking at a speed of 3.5 mph. On their way back, they were tired and their speed was 2 mph. How long was the route if the way back took them 1 hour and 30 minutes longer?

Time: Approximately 2 hours and 21 minutes

Length: 6 miles

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Step-by-step explanation:

1 hour and 30 minutes is 3/2 of an hour.

Therefore, we have them traveling at 2 mph for 3/2 hours.

distance = rate x time

2 mph * 3/2 = 3 miles.

3 * 2 = 6 miles.

time = distance/rate

Then there is 3.5 mph

3 miles/3.5 mph = 6/7 of an hour.

Adding them: 33/14 is reached (hours)

Approximately 2 hours and 21 minutes.

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