Question

a rectangular park has length and breadth in the ratio 9:7.The cost of fencing the park is 64,000 at rate of 200 per metre.what are the dimensions the plot ?​

Answer 1

let the value be $x$

then ,

length=9$x$

breadth=7$x$

cost of fenced park= 64,000

amount charged on each metre =200

perimeter of the field=64,000

                                         200

                                   =320m

perimeter of the field= 2(l+b)

                       320m           =2(9$x$+7$x$)

                        320m           =  2(16$x$)

                        320m           =    32$x$

                        32$x$                = 320m

                           $x$                =   320m

                                                    32

                                        $x$= 10

so length of the park = 9$x$

                                    =9 x 10

                                    =90m

breadth=7$x$

              =7 x 10

               =70m

hope it helps you  have a nice day

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Answer 2

As you wish deary...i will call you sis