Math 1050 Lab # 4
Matrix Applications
Matrices can be used to organize large amounts of information in a format which is easy
to understand and manipulate. In this lab you will take information about a large building
project and manipulate it in matrix form to come up with a bid for the project.
Project:
A contractor needs to give a developer a bid for a 100 house subdivision. The following
tables contain information about the project.
Types of houses required:
Model 3 bedroom style 4 bedroom style
Ranch 12 15
Tudor 8 36
Colonial 18 11
Materials required:
Style Concrete
(cubic yards)
Lumber
(1000 board feet)
Brick
(1000's)
Shingles
(100 sq. ft. bundles)
3 bedroom 50 4.5 24 12
4 bedroom 60 6 36 16
Labor costs (per unit of material):
Concrete laying $28
Framing $4500
Brick laying $360
Roofing $450
