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4 September, 05:20

A car leaves a garage at 10 mph. it speeds up to 20 miles per hour in the city and eventually increases to 50 miles per hour in the country. overall, the car went 50 miles during 1.5 hours of travel time. what was the car's average speed

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  1. 4 September, 05:50
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    Average speed = (total distance covered) / (time to cover the distance)

    = (50 miles) / (1.5 hours)

    = (50/1.5) miles/hours

    = (33 and 1/3) mph.

    We don't care about all that other "data" given earlier in the question.

    We only need to know the total distance covered and the time it took

    to cover the distance.
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