Question

how many bricks of 10cm long 7cm wide are needed to pave a rectangular floor 14 m long and 12.5m wide?​

Answer 1

Answer:

1400 * 1250 /10*7 = 2500 bricks

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Answer 2

Answer:

25,000

Step-by-step explanation:

Area of brick = l x b

                      = 10 x 7

                      = 70 cm

Area of floor = l x b

                     = 1400 x 1250

                     = 1,750,000 cm

No of bricks need to pave the floor = 1,750,000/70

                                                           = 25,000