Mathematics, 26.03.2020 03:26 rlumanlan549

Tim mowed lawns for 2 hours and earned $7.50 per hour. Then he washed windows for 4 hours and earned $6.30 per hour. What were Tim's average earnings per hour for all 6 hours? *

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Tim mowed lawns for 2 hours and earned $7.50 per hour. Then he washed windows for 4 hours and earned...

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