SOLUTION: The length of the place at is 35cm and its perimeter 110cm.what is the width of the place mat?

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Question 936611: The length of the place at is 35cm and its perimeter 110cm.what is the width of the place mat?
Answer by srinivas.g(540) About Me  (Show Source):
You can put this solution on YOUR website!
length = 35 cm
perimeter = 110 cm
formula : perimeter = 2*(length+width)
110 = 2(35+width)
110 = 2*35+2*width
110 =70+2*width
move 70 to the left
110 -70 = 2*width
40 = 2*width
divide with 2 on both sides
+40%2F2+=+2%2Awidth+%2F2
20 = width
width = 20 cm