He changed 12*2=<<12*2=24>>24 motorcycle tires

He changed 10*4=<<10*4=40>>40 car tires

So he changed 24+40=<<24+40=64>>64 total tires

# Answer

64
Question:
Mike changes tires on different vehicles.  He changes all the tires on 12 motorcycles and all the tires on 10 cars.  How many tires did he change?
Answer:
Let's think step by step.

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64
Mike changes tires on different vehicles.  He changes all the tires on 12 motorcycles and all the tires on 10 cars.  How many tires did he change?
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