FAST MATH HELP
posted by Tracey .
Need help problem solving
A 500 space parking lot is packed with motorcycles and passenger cars, with only one vehicle in each space. How many motorcycles & cars r there if the total number of tires on the parked vehicles is 1650?
I think I have to do this in some kind of equation format, I am so confused.

175 motorcycles, 325 cars
motorcycles represented as x and cars, y
2x+4y=1650
2(500y)+4y=1650
10002y+4y=1650
2y=650
y=325
2x+1300=1650
2x=350
x=175 
Thanks so much Jasper:)

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