Question

plz solve it plz solve it​

Answer 1

ANSWER = 28 L

total quantity = 4/4

part filled = 1/4

part need

to fill = 4/4 - 1/4

= 3/4

given

3x/4 = 21

3x = 21 × 4

x = 28

Answer 2

Answer:

the answer will be 28 litres