Question

2 How much salt must be added to 60 litres of a 20% solution of salt to increase it to​

Answer 1

Answer:

20% of 60 liters is 12 liters of salt. 40% of 80 liters is 32 liters of salt. if you start with 60 liters that is 20% salt by volume, then you need to add 20 liters of salt to get 80 liters that is 40% salt by volume.

Answer 2

Answer:

• 20% of 60 liters is 12 liters of salt. 40% of 80 liters is 32 liters of salt. if you start with 60 litters that is 20% salt by volume,
• then you need to add 20 liters of salt to get 80 liters that is 40% salt by volume.

Hope it helps you :)