SOLUTION: Given P= 2(l+w), find l if P = 36 cm and w = 4cm

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: Given P= 2(l+w), find l if P = 36 cm and w = 4cm      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 964282: Given P= 2(l+w), find l if P = 36 cm and w = 4cm
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
P=2%28L%2BW%29 Divide each side by 2.
P%2F2=L%2BW Subtract W from each side.
%28P%2F2%29-W=L Put in values and solve.
%2836cm%2F2%29-4cm=L
18cm-4cm=L
14cm=L
ANSWER: L is 14 centimeters.