The distance on a bike path between Westfield and Southborough is 46 mi. Tracey leaves Westfield heading to Southborough cycling at a constant rate of 15 mph. Emma leaves her house at the same time and cycles along the same path from Southborough to meet Tracey. Her cycling rate is 8 mph. How many hours will it take until the two friends meet along the bike path?

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  1. their combined speed is 15+8 = 23 mi/hr
    so, they will cover the 46 miles in 2 hours.

    time = distance/speed

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