billy took a cab one afternoon. the cab driver charge an inital fee of $2 and then 1.20 per mile. if billy spent a total of $20 how many miles did he ride in the cab ?

32

step-by-step explanation:

these are your clues: 1. kim ran 18 races2. this was four fewer races than twice thenumber, notice it says twice the number, so you would do the equation 18x2-4; which equals the number 32.thus, 32 is your answer.