Math Problem Solver

Question 5

Three shopkeepers Gaurav, Rizwan and Jacob use carry bags made of polythene,

handmade paper and newspaper. The number of polythene bags, handmade bags and

newspaper bags used by Gaurav, Rizwan and Jacob are (20, 30, 40), (30, 40, 20) and

(40, 20, 30) respectively. One polythene bag costs

1, one handmade bag is for

5 and

one newspaper bag costs 2. Gaurav, Rizwan and Jacob spend ₹A, ₹B and ₹C Crespectively

on these carry bags.

Using the concepts of matrices and determinants, answer the following questions:

(i) Represent the above information in Matrix form.

(ii) Find the values of A, B and C.