Matrix M is given by (a) Find the inverse of M (b) Two schools A and B purchased beans at Ksh. b per bag and...

Matrix M is given by
(a) Find the inverse of M
(b) Two schools A and B purchased beans at Ksh. b per bag and maize at Ksh. m per bag. School A
purchased 30 bags of beans and 40 bags of maize for sh. 72,000. School B purchased 50 bags of
beans and 20 bags of maize for sh. 64,000
(i) Form a matrix equation to represent the information above
(ii) Use the inverse matrix of M to find the price of one bag of each item
(c) The price of beans later went up by 5% and that of maize remained constant. School A bought the
same quantity of beans but spent the same total amount of money as before on the two items. State
the new ratio of beans to maize.

Answers

Kavungya answered the question on November 5, 2019 at 11:50

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