Question

How much salt must be added to 60 litres of a 20℅ solution of salt to increase it to a 40℅ solution of salt

Answer 1

Answer:

20 liter of salt must be added.

Step-by-step explanation:

Given : 60 litres of a solution of a 20% salt to increase it to a 40% solution of salt.

Answer 2

Answer:

20 litre of salt must be added

Step-by-step explanation:

A/Q

100x + 60 ×20 = (x + 60) × 40

100x + 1200 = 40x + 2400

60x = 1200

x = 20

hope it helps!