River Road is #11 4/5# miles long. Prairie Road is 14.9 miles long. How much longer is Prairie Road than River Road as a decimal?

1 Answer
May 1, 2016

We must convert the length of River Road to a decimal.

#4/5# is equal to 0.8 because #4/5 = 80/100#

Therefore, River Road is #11.8# miles long.

Since we want to know how much longer #14.9# is than #11.8#, we just subtract the two numbers.

#14.9 - 11.8 = 3.1#