Question

What mass of water was leftover if 25% by volume of 20 L of pure water is used up?

Answer 1

Given :-

Total Litres of water = 20L

25% of water is used up .

So,

20 × 25 /100

20/ 4

5L is used up.

and the volume of pure water leftover is

Total Litres of water - total litres water used up

=> 20L - 5L

====> 15L...

here is your answer .....

Answer 2

here given :-

Total Litres of water = 20 litres

25% of water is used up .

so,

20 × 25 /100

20/ 4

5 litres is used up.

and the volume of pure water leftover is

20 - 5

15 litres ....