A crew of highway workers paved 3/20 mile in 40 minutes if they work at the same rate what proportion of a mile well they paid i n 60 minutes
1 answer:
3/20 mile in 40 minutes. multiply 3/20 by 1/2 to get how many miles in 20 minutes. so 3/40 miles is paved every 20 minutes. multiply 3/40 times 3 for 60 minutes and you get 9/40 miles paved in 60 minutes.
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