Benito spent $1822 to operate his car last year. some of these expenses are listed below. benito's only other expense was for gasoline. if he drove 7340 miles, what was the average cost of the gasoline per mile?
operating expenses
insurance $809
registration $170
maintenance $57

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.