3 kg is one fifth more than what
3 / (1 + 1 / 5) = 3 / 6 / 5 = 2.5kg
3 kg is one fifth more than 2.5 kg
30 kg is one fifth more than how many kg
30 kg is one fifth more than 25 kg
30÷(1+1/5)=25
How many kilogram is one fourth more than twenty kilogram
25kg