2x+2y=50
2x+3y=64
2x+2y-50=0
2x+3y-64=0
2x+3y-64=0
- 2x+2y-50=0
y-14=0
y=14
14 tricycles were offered in the sale. (11 bicycles were offered in the sale)
Check: 14 x 2 pedals + 11 x 2 pedals= 50 pedals
28 pedals + 22 pedals = 50 pedals
50 pedals = 50 pedals, True
Check: 14 x 3 wheels + 11 x 2 wheels = 64 wheels
42 wheels + 22 wheels = 64 wheels
64 wheels = 64 wheels, True
Therefore 14 tricycles were offered in the sale.