Question

the cost of Financing a rectangular field at rupees 30 for metre is rupees 2400 if the length of the field is 24m then its breadth is
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Answer 1

Explanation:

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<> first let's learn the formula for perimeter of a rectangle.

2(lenght + breadth) = perimeter

of the cost of 1m is 30

and total cost is 2400

then to find the total number of m

we need to take the perimeter because they told fencing.... fencing goes around the ground so it is perimeter

we should divide 2400 by 30.

{2400} /{30}

which is

80m

so the perimeter is 80 m

lenght as given is 24 m

if we substitute this number in the formula for perimeter of rectangle we get...

2(24 + breadth) = 80

48 + 2breadth = 80

2breadth = 80 - 48

2breadth = 32

breadth = {32}/ {2}

breadth = 16m

thank u

Answer 2

Answer:

b=16m

Explanation:

cost of fencing=30/m

total cost=2400

perimeter =total cost/cost of fencing

=2400/30

=80m

p=2(l+b)

80=2(24+b)

80/2=24+b

40-24=b

b=16m