Problema Solution
Samuel decided to paint the house. He bought 2 cans of paint and one roller for $30. More help arrived, so he went back to the store and bought three more cans of paint and two more rollers for $50. How much did he have to pay for a can of paint?
Answer provided by our tutors
Let
x = the cost per can of paint
y = the cost per roller
2x + y = 30
3x + 2y = 50
........
click here to see the system of equations solved for x and y
........
x = $10
y = $10
Samuel paid $10 per can of paint.