A rectangular swimming pool has a volume of 7200 ft3. It has a depth of 9 feet and a width of 20 feet. What is the length of the pool?

A rectangular swimming pool has a volume of 7200 ft3. It has a depth of 9 feet and a width of 20 feet. What is the length of the pool?

400 ft

7020 ft

4 ft

40 ft

The length of the pool is 36 feet.

To find the length, we use the formula for volume of a rectangular prism: length x width x depth = volume.

Substituting the given values, we get:

length x 20 feet x 9 feet = 7200 ft3

Simplifying:

length x 180 = 7200

length = 7200/180

length = 40

Therefore, the length of the pool is 40 feet.

To find the length of the pool, we can use the formula for the volume of a rectangular prism, which is:

Volume = Length × Width × Depth

Given that the volume is 7200 ft3, the depth is 9 feet, and the width is 20 feet, we can substitute these values into the formula:

7200 = Length × 20 × 9

Dividing both sides of the equation by 20 × 9:

7200 / (20 × 9) = Length

Simplifying the right side of the equation:

7200 / 180 = Length

40 = Length

Therefore, the length of the pool is 40 feet.

To find the length of the pool, we need to use the formula for the volume of a rectangular prism:

Volume = Length x Width x Depth

We are given the volume of the pool as 7200 ft^3, the depth as 9 feet, and the width as 20 feet. Plugging these values into the formula, we have:

7200 = Length x 20 x 9

To find the length, we can start by dividing both sides of the equation by 20:

7200 / 20 = Length x 9

360 = Length x 9

Next, divide both sides by 9 to isolate the length:

360 / 9 = Length

Length = 40

Therefore, the length of the pool is 40 feet.