Question

Peter has just purchased a small rectangular fish tank that holds 910 milliliters of water. The tank has a width of 7 cm and a height of 10 cm.

What is the length of the fish tank?

(1 milliliter is equal to 1 cubic centimeter)
A.
13 cm
B.
14 cm
C.
15 cm

Answer 1

Option A) 13 cm is the length of the fish tank.

Explanation:

Peter has just purchased a small rectangular fish tank that holds 910 milliliters of water.

(1 milliliter is equal to 1 cubic centimeter)

⇒ Volume of the fish tank = 910 cubic centimeter

• The width of the tank = 7 cm
• The height of the tank = 10 cm
• The length of the fish tank = x cm

We know that, Volume of a cuboid = length × width × height

⇒ 910 = x × 7 × 10

⇒ 910 = 70x

⇒ x = 910 / 70

⇒ x = 13 cm

Therefore, Option A) 13 cm is the length of the fish tank.

Answer 2

the length of the fish tank is
`length=13cm` . Correct option is A)

Explanation:

Here we have , Peter has just purchased a small rectangular fish tank that holds 910 milliliters of water. The tank has a width of 7 cm and a height of 10 cm. We need to find What is the length of the fish tank . Let's find out:

The fish tank is in the shape of cuboid , and we know that volume of cuboid :

⇒
`Volume = length(width)(height)`

Now , according to question we have following parameters :

`V=910ml=910cm^3\\w=7cm\\h=10cm`

Therefore , Putting theses values in above equation we get :

⇒
`Volume = length(width)(height)`

⇒
`910 = length(7)(10)`

⇒
`910 = length(70)`

⇒
`length=13cm`

Therefore , the length of the fish tank is
`length=13cm` . Correct option is A)