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.

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

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