Asked by Anonymous

Melissa returned home from mowing lawns at 4:15 PM. It took 1 and ¾ hours of an hour to mow the first lawn. The second and third lawns she mowed each took 1 and ⅕ hours. She took only a 45-minute break. When did Melissa begin mowing the first lawn?
Answered by Steve
subtract 1:45 + 2(1:12) + 0:45 from 4:15 pm
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