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The shape of Joy’s room is a rectangle 540 cm long by 250 cm wide.
a. Work out the area of his room in Square meters.
b. How much does he pay to buy flooring for his room where flooring costs $ 40 per square meter.

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Question:-

The shape of Joy’s room is a rectangle 540 cm long by 250 cm wide.

a. Work out the area of his room in Square meters.

b. How much does he pay to buy flooring for his room where flooring costs $ 40 per square meter

Question No. a

Work out the area of his room in Square meters.

Given:-

  • Length of the room 540 cm = 540/100 m = 5.4m
  • Breadth of the room 250cm = 250/100 m = 2.5m

To Find:-

  • Area of the room.

Solution:-

We know that:-

Area of a rectangle = (length × breadth)sq.units

Therefore,

Area of the rectangular room = (5.4 × 2.5) square meters

=> Area of the rectangular room = 13.5 square meters.

Answer:-

Area of his room is 13.5 square meters.

Question No. b

How much does he pay to buy flooring for his room where flooring costs $ 40 per square meter

Given:-

  • Cost in per square meter = $40
  • Area of the room = 13.5 square meters (From question a)

To Find:-

  • Total cost of flooring

Solution:-

Flooring cost in 1 squre meter = $40

Flooring cost in 13.5 square meters = $(40 × 13.5) = $540

Answer:-

He pays $540 to buy flooring for his room.

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