(c) A hardware sells a combination of items as follows: 3 kgs of nails, 5kgs of cement and 4kgs
of lime at the cost of Ksh. 487; 2kgs of nails, 3kgs of cement and 6kgs of lime at the cost of Ksh.
381, kgs of nails, 2kgs of cement and 3kgs of lime at cost of Ksh 136. Find the cost of 1 kg of
each item. using elimination method
(10 marks)