Mary gets an oil change every 3750 miles

 

Mary gets an oil change for her car every 3750 miles and a tire rotation every 5000 miles. What is the mileage of the car at the first time she gets both an oil change and a tire rotation at the same time?     

 

 

3,750 x 4  =  15,000  

5,000 x 3  =  15,000  

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