Question

A cardboard is 4.5 m long and 3.5 m wide. What is the cost of painting it on both the sides at the rate of rs 1.25 persqau​

Answer 1

Answer:

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Answer 2

Answer:

• length of cardboard is 4.5m
• breadth is 3.5m

$area \: of \: rectangle = l \times b$

• area of one side of cardboard = 4.5 × 3.5 =15.75m^2.
• area of cardboard on two sides = 2×15.75 =31.50m^2
• 1m^2 = 1.25 rs
• then for 31.50m^2 =1.25×31.50= 39.3750.

Ans:39.3750 rs.

Hope this helps you