Math
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.

see your post below for answer
and you need more help, post back
I gave you the equations below, with the answer