SOLUTION: Please help me with this algebra problem. Thank you in advance. The perimeter of a rectangle with length, l and width, w is given by p = 2w + 21 If the perimeter of a certain r

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: Please help me with this algebra problem. Thank you in advance. The perimeter of a rectangle with length, l and width, w is given by p = 2w + 21 If the perimeter of a certain r      Log On


   

Question 492441: Please help me with this algebra problem. Thank you in advance.
The perimeter of a rectangle with length, l and width, w is given by p = 2w + 21
If the perimeter of a certain rectangle is 93 centimeters and the length is 25 centimeters what is the length?
Please show your work.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
93=2w+50
93-50=2w
43=2w
w=21.5 cm