2) A family of 3 people went out for dinner in a restaurant. The cost of two dosai, two idlies and four vadais is $200. The cost of five dosai, four idlies and two vadais is $250. The family has $350 in hand and they ate three dosai and six idlies and six vadais. What is the determinant of the matrix in this problem? three idlies and two vadais is $150. The cost of the two dosai, a. how much is one dosai costs? b. how much is one idly costs? c. how much is one vada costs?

2) A family of 3 people went out for dinner in a restaurant. The cost of two dosai, two idlies and four vadais is $200. The cost of five dosai, four idlies and two vadais is $250. The family has $350 in hand and they ate three dosai and six idlies and six vadais. What is the determinant of the matrix in this problem? three idlies and two vadais is $150. The cost of the two dosai, a. how much is one dosai costs? b. how much is one idly costs? c. how much is one vada costs?

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter6: Matrices And Determinants

Section: Chapter Questions

Problem 4CC

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