Answer :
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
there are 10 of 1/5 an hour in 2 hours
so 10 X 2.5 = 25 miles in 2 hours
She rides 1 mile per half hour so she rides 4 miles in 2 hours cuz there is 4 half hours in 2 hours