6. a) A rectangular box completely filled with milk powder is 16 cm long, 9 cm broad and 15 cm high. How many cubical boxes of length 6 cm are required
to empty the milk powder from the box?

10

Step-by-step explanation:

Step 1:

Find the volume of the rectangular box

Volume = L x H x W

L = 16cm, W = 9cm and H = 15cm

Step 2: Substitute in the formula

Volume of the rectangular box = 16 x 9 x 15 = 2160 cm cube

Step 3: Find the volume of the cubical box

Step 4: To find the number of cubical boxes of length 6cm required to empty the milk powder from the box, you will divide volume of the rectangular box by the volume of the cubical box

Therefore

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b