Answer:
John had drove 162 miles is what you need to say.
Step-by-step explanation:
lets say miles = x     20.95 +  .72x = 137. 59   = step 1 ) eliminate base fee both sides through opposite subtraction  = 20.95  - 20.95 +  .72x = 137. 59  -20.95 =  .72x = 137. 59  -20.95 =  .72x = 116.64  = step 2) eliminate cost per mile through division to both sides to find full mileage =  116. 64/ .72 = 162 miles and x = 162  as proved in reverse  162 * .72 = 116 64 charges of total found earlier therefore John had drove 162 miles is what you need to say.