Two fifths the cube of a number

2/5

×

x

3

Step-by-step explanation:

Define your number first.

Let the number be

x

The cube of a number is

x

3

Now we are finding a fraction of the cube of the number:

"Half of the cube" would be

1

2

×

x

3

"Two thirds of the cube" would be

2

3

×

x

3

"Two fifths of the cube" is

2

5

×

x

3