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Mathematics, 20.07.2019 05:20 thomas0022

Xavier drove from his house to the country in 3 hours. driving at a speed of 12 mph less than on the trip out, he spent 4 hours on the return trip. what was his average rate on the return trip?

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Xavier drove from his house to the country in 3 hours. driving at a speed of 12 mph less than on the...
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