algebra
posted by Anonymous .
If you drive 253 miles on 11 1/2 gallons of gas, what is the simplified ratio of miles to gallons?

Multiply both sides by 2 to get rid of the 1/2. You should get 506 miles : 23 gallons.

253 miles/ 23/2 gallons = 506/23 mi/gal=
= 22 mpg