Question

The cost of 7.5 kg of goods is R.s. 375. Find the cost of 4.2 kg of goods.​

Answer 1

cost of 7.5kg of goods = 375/-

cost of 4.2kg of goods = ?

this will be solved using UNITARY METHOD

cost of 1kg = 375/7.5 = 50/-

cost of 4.2kg = 4.2 × 50

= 210/-