Question

Garden is in the form of rectangle of dimensions 30 m into 20 m a part of math 1.5 m is laid around around on the outside at the rate of 10 per square metres what is the total expenses ​

Answer 1

Area of the garden = lenght$*$breadth

                                = $30m*20m$

                                 = $600m^{2}$

Area of the garden including mat = length$*$breadth

                                                        = $(30+1.5+1.5)m*(20+1.5+1.5)m$

                                                        = $(30+3)m*(20+3)m$

                                                        = $33m*23m$

                                                        = $759m^{2}$

Area Of The Mat = Area of the garden including mat$-$Area of the gardenArea of the garden including mat

                           = $(759-600)m^{2}$

                           = $159m^{2}$

Total expenses = $159*10$

                          = $1590$

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