SOLUTION: The mumber of oil changes done at Carol's Garage was 4 more than twice the number of tune-ups.If 16 tune-ups were done, how many oil changes were done?

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Question 158967: The mumber of oil changes done at Carol's Garage was 4 more than twice the number of tune-ups.If 16 tune-ups were done, how many oil changes were done?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2*16+4=32+4=36 OIL CHANGES WERE DONE.