Since each walker drinks a bottle of water every 1/4 kilometre, we know that one walker drinks 4 bottles of water every kilometre since 4/4 = 1. We are trying to find how much water they drank after walking 3 kilometres, so we would multiply 3 by 4 getting us an answer of 12.
Malfunction means it failed to function how it was designed to behave however dysfunction is when something is working abnormally these two words have to do with doing something improperly
