Question

I KNOW THE ANSWER I JUST WANT HELP WORKING OUT THE PROBLEM

An aquarium is 60 centimeters long, 20 centimeters wide and 30 centimeters high. What volume of water, in cubic centimeters, does the aquarium contain if it is two-thirds full?
A. 1,200 cm3
B. 11,000 cm3
C. 24,000 cm3
D. 36,000 cm3

Answer 1

I KNOW THE ANSWER IS C

Answer 2

Can you find the volume of the tank?

Answer 3

lol the answer is always C

Answer 4

So you know that it has length, width, and height of 60,20, and 30 cm. Just like area is length times width, volume is length times width times height.

But after you find the volume, you aren't filling the whole space, only 2/3 of it, so you multiply it by 2/3.

It might be easier to think, if you have 10 fingers and you have half of them cut off, you would multiply 10 times a half (1/2) and get 5 fingers left. Similar with the 2/3 of the tank filled.

Answer 5

Okay:
So you are given the dimensions:
So you know the full volume is
Volume=length*height*width
=60*30*20 = 36000cm^3

That is if the tank is completely full, so if it is only 2/3
you need to find 2/3 of 36000

You find one third by dividing it by 3 [=12000]
and to find 2/3 you simply multiply this by two

giving you answer C

Hope this cleared it up for you