How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 8 m x 6.6 m x 22.5 cm?  Choose the correct choice from the following answers.
A) 6400	B) 6410	C) 6440	D) 6500	E) 7040

Rationale: number of bricks = volume of wall / volume of bricks = 800 x 660 x 22.5 / 25 x 11.25 x 6 = = 7040 answer : e
Answer: E