Mathematics, 09.07.2019 03:00, mona92

1) a speed walker covered 4 1/2 mi in 3/4 hour. how far will he walk with the same pace in 2 hours? 3 hours? 3.5 hours? 2) two combine harvesters are able to harvest the crop from 320 acres in a certain amount of time. working together for the same time, how many acres can be harvested by 7 combine-harvesters? 12? explain your work, !

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1) a speed walker covered 4 1/2 mi in 3/4 hour. how far will he walk with the same pace in 2 hours?...