Question

a company makes concrete bricks that are shaped like cuboids each brick is 6 inches long,4 inches wide and 3 inches high .how many concrete will they need to make 1200 such bricks.

Answer 1

Answer:

86400 inches³ of concrete

Step-by-step explanation:

We know that volume of a cuboid = Length * Width * Height

Each brick is shaped like cuboid

So we must find the volume of 1 brick

Volume of 1 brick = Length * Width * Height

= 6 inches * 4 inches * 3 inches

= 72 inches³

We know that the entire volume of the brick is made of concrete

So volume of concrete in 1 brick = 72 inches³

=> Volume of concrete in ( 1 * 1200 ) bricks = ( 72 * 1200 ) inches³ ---> Multiplying both the numbers by 1200 to get the volume of concrete needed to make 1200 bricks

=> Volume of concrete in 1200 bricks = 86400 inches³

Therefore, the company needs 86400 inches³ of concrete to make 1200 such bricks