Question

the cost of flooring room at rs.25 per square metre is rs. 1125.if it is 9 metre long,find its breadth.​

Answer 1

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Length of the room = 9m

Toatal Cost of flooring room = 1125 ₹

cost of flooring per sq. m = 25₹

Area of floor = $\frac{1125}{25}$

Area of floor = 45 m²

$\pink {\boxed{\sf \red{area \: of \: rectangle = length \times breadth}}}$

$\: \: \: \: \: \: \: \: \: \: \ \sf{9 \times breadth = 45}$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \sf{breadth = \frac{ \cancel{45}}{ \cancel{9} }}$

$\: \: \: \: \: \: \: \: \: \: \: \: \sf{breadth \: = 5m}$

$\sf\orange{please\:mark\:as\:brainliest............}$

Answer 2

The breadth of the room = 5 cm

Given :

• The cost of flooring room at Rs. 25 per square metre is Rs. 1125

• The room is 9 metre long

To find :

The breadth of the room

Formula Used :

Area of rectangle = Length × Breadth

Solution :

Step 1 of 2 :

Calculate area of the floor

Here it is given that cost of flooring room at Rs. 25 per square metre is Rs. 1125

∴ Area of floor

= 1125/25 m²

= 45 m²

Step 2 of 2 :

Calculate breadth of the room

The room is 9 metre long

Length of the floor = 9 m

Let breadth of the room = b metre

By the given condition

9 × b = 45

⇒ b = 45/9

⇒ b = 5

Hence breadth of the room = 5 cm

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