(a) The product of the matrices is a singular matrix. Find the value of y.

      

(a) The product of the matrices.

Is a singular matrix. Find the value of y.
(b) In a certain week, a businessman bought 18 bicycles and 16 radios for a total of Kshs. 113,640. In the following week,
he bought 14 bicycles and 12 radius for a total of Kshs. 87,480. Using matrix method, find the price of each bicycle and
each radio that he bought.
(c) In the third week, the price of each bicycle was reduced by 10% while the price of each radio was raised by 10%. The
businessman bought as many bicycles and as many radios as he had bought in the first two weeks. Find by matrix
method, the total cost of the bicycles and radios that the businessman bought in the third week.

  

Answers

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sharon kalunda answered the question on April 29, 2019 at 12:55

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