Question 61690
PERIMETER

The perimeter of a geometrical figure is the complete distance around that figure. To find the perimeter, simply add up the lengths of the figure's sides.


Perimeter of a rectangle is = 2 (LENGTH +WIDTH)

YOUR SOLUTION:

THE PERIMETER OF A RECTANGULAR WRITING PAD IS 28IN.THE LENGTH IS 1IN LESS THAN TWICE THE WIDTH.FIND THE WIDTH


Here it is given that 

perimeter = 28 inches

suppose width = x inches

then  lenth =  2x -1

perimeter =  2 ( 2x - 1 + x )

          =  2 ( 2x +  x - 1 )

          =  2  ( 3x - 1 )

==> 2 8  = 2 * 3x - 2 * 1

==> 2 8  =  6 x - 2

==> 28 + 2 = 6x

==>  30 = 6x

==>  x = 30 / 6 

==>  x = 5 inches

that means,  width =  5 inchec 

so length  = 2*5 - 1

           = 10 - 1

           = 9


length  =  9 inches

width   =  6 inches