Question

A rectangular field is 103m long while the perimeter is 338m. If laying of grass cost is Rs.5.50 per square m, how much would it cost for grass to be laid on the field leaving a bare path 5m wide all around the field?

Answer 1

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Answer 2

ANSWER

Here you go! hope it helps.

Step-by-step explanation:

Given,

Length = 103m

Perimeter = 338m

We know, Perimeter = 2(l+b)

                 338 = 2(103+b)

                 338 = 206 + 2b

                  338 - 206 = 2b

                  132/2 = b

                  b = 66m

Given 5m wide will be left bare path, b = 66 - 5 = 61m

Now, Area of the field = L x B

                                     = 103 x 61 = 6283m square

Cost of laying grass for 1m square = Rs. 5.50

Cost of laying grass for 6283m square = 6283 x 5.50 = Rs = 34556.5