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Mathematics, 28.09.2019 15:20 baaaaaaaagoat6222

Frank left his house at 7 a. m. and drove to the airport at a speed of 50 mph. lance left his house at 6 a. m. and drove to the same airport at a speed of 55 mph. frank's house is 150 miles from the airport and lance's house is 220 miles from the airport. at what time did frank arrive at the airport?

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Frank left his house at 7 a. m. and drove to the airport at a speed of 50 mph. lance left his house...
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