Mathematics, 11.12.2019 21:31 averyiodonnell

Nancy and mark commute to work, traveling in opposite directions. nancy leaves the house at 7: 00 a. m. and average 20 miles per hour. mark leaves at 7: 15 a. m. and averages 40 miles per hour. at what time will they be 170 miles apart?

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Nancy and mark commute to work, traveling in opposite directions. nancy leaves the house at 7: 00 a....