Question

The perimeter of the floor of a room is 500m. Its length is 10m more than thrice its breadth.
Calculate the length and the breadth of the room

Answer 1

Answer:

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Answer 2

Answer:

Length = 190         Breadth = 60

Step-by-step explanation:

Let the breadth be x

length = 3x + 10      (thrice its breadth + 10)

Now Perimeter  =  2(l+b)

perimeter = 500

500 = 2 (3x+10+x)

500 = 2 (4x+10)

500 = 8x + 20

8x = 480

x = 60

hence , breadth = 60m

Now , length = 3x+10  = 3(60) + 10    = 180+10 = 190m

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