Question

17. A, B and C have Rs. 1250, Rs. 1700 and Rs. 2100 respectively. They invest their money in thepurchasing three types of shares of prices x, y and z respectively. A purchases 20 shares ofprice x, 50 shares of price y and 30 shares of price z. B purchases 44 shares of price , 30shares of price y and 60 shares of price z. C purchase 12 shares of price x, 40 shares of pricey and 100 shares of price z. Find x, y, z using matrix inversion method.​

Answer 1

Answer:

bwahahaha

Step-by-step explanation:

Answer 2

x= 10 y= 12 z = 15

Step-by-step explanation:

20x +50y+30z=1250

44x+30y+60z=1700

12x+40y+100z=2100

now solve it by AX=B

X = A^-1 B