# math

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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 -

What don't you understand about the answer I posted a few minutes ago?

http://www.jiskha.com/display.cgi?id=1357334581

• math -

i didn't see it before thank you for answering my question it helped :D

• math -

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

• math -

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 -

thank you :D it helped me understand

• math -

You're welcome. :-)

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