Question

Hey mates ✌️
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Help me with this attachment...☝️☝️
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plzz answer it correctly...!!!​

Answer 1

Step-by-step explanation:

let length of the plot be 11x

breadth be 4x (since length and breadth are in ratio 11:4)

now cost of fencing per meter = Rs 100

total cost of fencing = Rs 75000

total length fenced = 75000/100

= 750 meter

fencing is done on the boundary. so the length of 750 meter is actually the perimeter of rectangular plot

perimeter = 750

2*(11x+4x) = 750

2*15x = 750

30x = 750

x= 750/30

x = 25

hence , length = 11x = 11*25 = 275 meter

breadth = 4x = 4*25 = 100 meter

Answer 2

Let,

Lenght=11x

Breadth=4x

GIVEN,

cost of fencing per metre =Rs.100

total cost of fencing =Rs.75000

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perimeter of the rectangular plot=2(l+b) units

Fencing is done in the boundary of the plot, So,

2(l+b)×100=75000 ( since, fencing per Rs.100 costs Rs.75000)

2(11x+4x)×100=75000

2×15x×100=75000

3000x=75000

3x=75

x=75/3=25

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Lenght=11×25=275m

breadth=4×25=100m

Hope it helps you...

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