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Mathematics, 03.03.2022 05:10 amuijakobp78deg

Dwayne drove 18 miles to the airport to pick up his father and then returned home. On the return trip he was able to drive an average of 15 miles per hour faster than he did on the trip there. If the total driving time was 1 hour, then what was his average speed driving to the airport? Someone please help

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Dwayne drove 18 miles to the airport to pick up his father and then returned home. On the return tri...

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