# Inlet minus outlet

Water flows into the tank through two pipes and flows out of the third pipe spontaneously. The pipe A itself would fill the tank in 3 hours, the pipe B itself would fille in 4 hours, and the pipe C itself would flow out in 12 hours. How long will the tank be full if all three pipes open at the same time?

**Result****Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### To solve this verbal math problem are needed these knowledge from mathematics:

## Next similar math problems:

- Hectoliters of water

The pool has a total of 126 hectoliters of water. The first pump draws 2.1 liters of water per second. A second pump pumps 3.5 liters of water per second. How long will it take both pumps to drain four-fifths of the water at the same time? - Tank of fuel

A 14.5-gallon tank of fuel is 3/4 full. How many more gallons will it take to fill up the tank? - One third

If 3/5 is 360, how much is 1/3? - Unknown number

I think the number - its sixth is 3 smaller than its third. - Cleaning windows

Cleaning company has to wash all the windows of the school. The first day washes one-sixth of the windows of the school, the next day three more windows than the first day and the remaining 18 windows washes on the third day. Calculate how many windows ha - Eq-frac

Solve the following equation with fractions: h + 1/3 =5/3 - Together

Grandfather, father, and son are carpenters. They decided to make a wardrobe. Father produces it for 12 hours, his son for 15 hours, and grandfather for 10 hours. How long will they make it together? - Given

Given 2x =0.125 find the value of x - Equation with x

Solve the following equation: 2x- (8x + 1) - (x + 2) / 5 = 9 - Milk

At the kindergarten, every child got 1/5 liter of milk in the morning and another 1/8 liter of milk in the afternoon. How many liters were consumed per day for 20 children? - Fraction + eq

Solve following simple equation with fractions: -5/6(8+5b) = 75 + 5/3b - UN 1

If we add to an unknown number his quarter, we get 210. Identify unknown number. - Eqn

Solve equation with fractions: 2x/3-50=40+x/4 - Pears

There were pears in the basket, I took two-fifths of them, and left six in the basket. How many pears did I take? - Fractions

Three-quarters of an unknown number are 4/5. What is 5/6 of this unknown number? - Boys and girls

There are 28 girls in the hall. 5/7 of all children are boys. How many children and how many boys are there? - Simplify 2

Simplify expression: 5ab-7+3ba-9