Ineed it today show all your work answer 1 , 2 ,3 and 4 for and i am gonna mark you as a brainliest

answer:

step-by-step explanation:

1) perimeter = 60m

length = 20 m

let the width of the floor = x m

perimeter of rectangle = 2* length + 2* width

2* 20   + 2*x = 60

40 + 2x = 60

2) 40 + 2x = 60

  2x = 60 - 40

    2x = 20

x = 20/2 =10

width = 10m

3) length = y m

width = x m

area of the floor =   length * width

                            = y *x

                              = xy

4) area of the floor = xy

                                = 10 * 20 = 200 sq.m

step-by-step explanation: