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Mathematics, 15.07.2020 01:01 lagster11
Melissa walks 3 miles to the house of a friend and returns home on a bike. She averages 4 miles per hour faster when cycling than when walking, and the total time for both trips is two hours. Find her walking speed (HINT: Write an expression that represents the time it takes for Melissa to walk to her friends house, and then write an expression for the time it takes to cycle back. The sum of these expressions is equal to the total time of the trip.)
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Melissa walks 3 miles to the house of a friend and returns home on a bike. She averages 4 miles per...
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