UNIUYO: â¯PLEASE DONT PASS BY, DROP YOUR SOLVINGS
1) A manufacturing unit produces three types of television sets A,B,C. The following matrix show the sale of television sets in two different cities. If the cost price of each set A,B,C is #1000, #2000, #3000 respectively, find the total profit using matrix algebra only
2) A business has #4000 to spend on advertising for the next season's sale. The money is to be divided between TV (X), Radio (Y) and Newspaper (Z). The business manager has decided to spend 3 times as much money on TV as on Radio than on Newspapers
a) Write the system of equation involved in this question
b) Find the inverse of the coefficient matrix
c) Solve the equation using inverse method
3) A company worker's wage (#0.00) rose from #6.00 to #48.00 after sometimes. If the annual increment is #4.00, determine the number of terms the worker's wage has increased.
DO THE ONES YOU CAN AND LEAVE THE REST show workingâ®?
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Asked by Jovialslimgrey
on 6th May, 2017
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