A water tank loses 2.5% of its 880 liters during cleaning. Enter the number of liters lost.
Bonne réponse
22
Explication
Since 5% of 880 is 44, half of that is 2.5%, so the loss is 44 / 2 = 22 liters. Treating 2.5 as a fixed number of liters ignores that the rate applies to the whole tank.