Solve the following using the principle of the matrix inverse, using any of the appropriate methods. Show your solutions clearly and systematically. 1. At a hardware store, Blair pays P2,000 for a box of nails, three bags of cement and four sheets of plywood. Chuck pays P3,500 for two boxes of nails, two bags of cement and seven sheets of plywood. Dan pays P2,600 for four boxes of nails, ten bags of cement and one sheet of plywood. What are the prices for each box of nails, bag of cement and sheet of plywood?

Solve the following using the principle of the matrix inverse, using any of the appropriate methods. Show your solutions clearly and systematically. 1. At a hardware store, Blair pays P2,000 for a box of nails, three bags of cement and four sheets of plywood. Chuck pays P3,500 for two boxes of nails, two bags of cement and seven sheets of plywood. Dan pays P2,600 for four boxes of nails, ten bags of cement and one sheet of plywood. What are the prices for each box of nails, bag of cement and sheet of plywood?

Elementary Linear Algebra (MindTap Course List)

8th Edition

ISBN:9781305658004

Author:Ron Larson

Publisher:Ron Larson

Chapter2: Matrices

Section2.1: Operations With Matrices

Problem 81E

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