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07-04-2016
Mathematics

contestada

Haley and Bianca leave their house at the same time riding their bicycles in opposite directions. Haley rides four mph faster than Bianca. After four hours, they are 84 miles apart. At what speed was each person riding?

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asad786 asad786

07-04-2016

Bianca's speed is 8.5 mi/hr
Haley's speed is 12.5 mi/hr

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