Erika Jones has the pcv valve and rear wheel bearings replaced on her car The wheel bearings costs $66 with 6% sales tax Labor to repair the car is $60 an hour and it takes 2 hours to repair how much she spend in total to repair her car

The total cost of repair was $189.96

Step-by-step explanation: If the wheel bearings cost 66 dollars and sales tax was 6%, then the sales tax computation would be as follows;

Sales tax = 66 x 0.06

Sales tax = 3.96

This brings the total cost of purchasing the wheel bearings to

Total cost = Actual cost + sales tax

Total cost = 66 + 3.96

Total cost = 69.96

Also the labor charge is 60 dollars an hour, and it takes 2 hours to repair, that means Erika is spending 60 x 2 which is 120 dollars for the labor charge.

Therefore the total amount spent in the car repairs is as follows;

Cost of bearing + Labor charge = Total spent

69.96 + 120 = Total spent

189.96 = Total spent

The total amount spent in repairing the car was $189.96

answer: the common difference is -0.10