SOLUTION: C

Question 61690This question is from textbook
: C This question is from textbook

Found 2 solutions by tutorcecilia, uma:
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
P=2(length + width) [formula for the perimeter of a rectangle]
Perimeter = 28
Length = (2w-1)
Width = w
28=2[(2w-1)+w) [plug-in the values]
28=2(3w-1)[simplify]
28=6w-2
28+2=6w
30/6=5=width
length = 2w-1=(2)(5)-1=9
.
Check by plugging in all of the values:
P=2(length + width)
28=2(5+9)
28=2(14)
28=28 [checks out]

Answer by uma(370) (Show Source): You can put this solution on YOUR website!
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

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