Question

The area of a classroom is 12 sq. m. How many tiles of 50 cm by 40 cm will be needed to
cover the floor? (1 sq. m = 10,000 sq. cm)​

Answer 1

Answer:

60 tiles

Step-by-step explanation:

area of classroom in cm = 120000 cm2

area of a tile = 50× 40=2000cm2

number of tiles needed = total area of class / area of tile

                       ,,,,,,,,,,,,,,,,, = 120000 / 2000

                   ,,,,,,,,,,,,,,,,,,,,,,,,=60tiles

so the 60 tiles needed for the floor..

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Answer 2

Answer:

60

Step-by-step explanation:

According to the question..

Area of the classroom= 12 sq. m

The size of one tile= 50cm×40cm

1 sq. m = 10,000 sq. cm

∴12 sq. m = 12×10,000

= 1,20,000 sq. cm

50×40= 2000

∴The no. of tile use to cover the classroom=

1,20,000 ÷ 2000

=60

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