Question

4) What will be the cost of 5 Kg of Waste paper and 3 Kg of Iron?​

Answer 1

Answer:

Lets take the cost of iron and waste paper be = x + x = 2x

Weight of waste paper = 5kg

Weight of iron = 3kg

Coste of iron and waste paper = ?

(2x = 5+3)

so, 2x = 8

x = 8/2

x = 4

so x = 4

cost of iron is 4*3 = 12 rupees

cost of waste paper is 4*5 = 20 rupees