SOLUTION: the perimeter of a rectangle with lenght,l and width,w is given by p=2w+2l. if the permiter of a certain rectangle is 93 centimeters and the lenght is 25 centimeters what is the wi

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: the perimeter of a rectangle with lenght,l and width,w is given by p=2w+2l. if the permiter of a certain rectangle is 93 centimeters and the lenght is 25 centimeters what is the wi      Log On


   

Question 535946: the perimeter of a rectangle with lenght,l and width,w is given by p=2w+2l. if the permiter of a certain rectangle is 93 centimeters and the lenght is 25 centimeters what is the width.
Answer by april4869(19) About Me  (Show Source):
You can put this solution on YOUR website!
Two important things are given to you in this question, the perimeter and the length. All you simply have to
do is replace these numbers into the formula you gave.
P=93
L=25
W=?
93=2w+2(25)
93=2w+50
93-50=2w
2w=43
w=21 1/2 cm
Check it-
2(21.5)+2(25)=93
43+50=93