math
posted by mary .
A rectangular field is 35 m longer than it is wide. The length of the fence around the
perimeter of the field is 290 m. What are the dimensions (length and width) of the
fence?

math 
Ms. Sue
What don't you understand about the answer I posted a few minutes ago?
http://www.jiskha.com/display.cgi?id=1357334581 
math 
mary
i didn't see it before thank you for answering my question it helped :D

math 
mary
you put 390 instead of 290 for the perimeter why? it has me a bit confused.

math 
Ms. Sue
Oops! I'm sorry. That was a typo.
P = 2L + 2W
290 = 2(W + 35) + 2W
290 = 2W + 70 + 2W
220 = 4W
55 = W 
math 
mary
thank you :D it helped me understand

math 
Ms. Sue
You're welcome. :)
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