(Solved): (c) In the previous year, at Hub Motors ltd, for a particular model of Mercedes, Nissan and Ford, o ...

(c) In the previous year, at Hub Motors ltd, for a particular model of Mercedes, Nissan and Ford, one could purchase (in million shillings) all three cars for a total of Ksh 152. This year, due to inflation, the same cars would cost Ksh 171. The cost of the Mercedes increased by

, the Nissan by

, and the Ford by

. If the price of last year's Nissan was Ksh 7 less than the price of last year's Mercedes, Use matrix inverse to find the price of each of the three cars last year. (Your matrix should be a three by three)