Question

tap A can fill the tank in 4 hours while tap B can empty the full tank in 8 hours. when both taps are open, the tank will fill in.​

Answer 1

Step-by-step explanation:

Density is a measure of mass per unit of volume. ... The average density of an object equals its total mass divided by its total volume. An object made from a comparatively dense material (such as iron) will have less volume than an object of equal mass made from some less dense substance (such as water).

Answer 2

Step-by-step explanation:

Density is a measure of mass per unit of volume. ... The average density of an object equals its total mass divided by its total volume. An object made from a comparatively dense material (such as iron) will have less volume than an object of equal mass made from some less dense substance (such as water).