In a family of three people, each person consumes 5 L of water daily. The volume of water in their underground tank is 1500 L. In how many days will they run out of water?
The family has 3 members.
The volume of water used by the entire family daily is 5 L×3=15 L.
If the volume of water in the tank is 1500 L, then the number days in which they will run out of water is given by
1500 L15 L=100.