IXL level J

An employee at a construction company is ordering interior doors for some new houses that are being built. There are 3 onestory houses and 4 two-story houses on the west side of the street, which require a total of 88 doorsOn the east side, there are 3 one-story houses and two-story house, which require a total of 40 doors. Assuming that the floor plans for the one-story houses are identical and so are the two-story houses, how many doors does each type of house have? Each one-story house has doors, and each two-story has doors

Each one-story house has 8 doors, and each two-story house has 12 doors.