Naomyx3
Naomyx3
21-01-2018
Mathematics
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PLS HELP #10. About stephanie
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anchitthawi
anchitthawi
28-01-2018
2 1/4 miles in 3/5 of an hour
2 1/4 miles = 9/4 miles
so 3/5 of an hour = 9/4 miles
then 5/5 of an hour = 9/4*5/5 / 3/5 = 9/4*1*5/3 = (9*5)/(4*3) = 15/4 = 3 3/4 miles
then average speed Stephanie walks is 3 3/4 miles per hour.
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