Question 1195779
A parking lot contains motorcycles (2 wheels) and cars (4 wheels).     
There are 35 vehicles and 114 wheels.  How many motorcycles and cars are 
there? how to solve using elimination method
---------------
2M + 4C = 114 ---- # of wheels
M + C = 35
---------------
2M + 4C = 114 --- divide by 2
M + 2C = 57
M + C = 35
-------------------- Subtract
C = 22
etc.