5. A, B and C have Rs. 480, Rs. 760 and Rs. 710 respectively. They utilised the amounts to purchase three types of shares of prices x, y and z respectively. 'A' purchasees 2 shares of price x, 5 of price y and 3 of price z. 'B' purchasees 4 shares of price x, 3 of price y and 6 of price z, 'C' purchases 1 share of price x, 4 of price y and 10 of price z. Find x, y and z.
