Question

A cleansing agent is mixed with water in the ratio 1:7. In 400 litres of solution find the amount of cleansing agent.

Answer 1

Answer:

let amount of cleansing agent = x

so, amount of water = 400 – x

according to question

$x \div 400 - x = 1 \div 7$

⇒ 8x = 400

⇒ x = 50 litres