Question

Susan rides her bicycle 5 miles in 2/5 of an hour .at this rate how many miles could she ride in 2 hours

Answer 1

divide 5 by 2 = 2.5 per 1/5 an hour
there are 10 of 1/5 an hour in 2 hours
so 10 X 2.5 = 25 miles in 2 hours

Answer 2

She rides 1 mile per half hour so she rides 4 miles in 2 hours cuz there is 4 half hours in 2 hours