SOLUTION: The length of a banquet table is 3 feet longer than 4 times width. If the perimeter is 56 feet what are the dimensions of the table? The width of the banquet table is? A rectan

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Question 1069765: The length of a banquet table is 3 feet longer than 4 times width. If the perimeter is 56 feet what are the dimensions of the table?
The width of the banquet table is?
A rectangular solar panel has a length that is 11 inches shorter than 3 times its width. If the perimeter is 178 inches, what are the dimensions of the panel?

Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
L = 4W+3
2L+2W = 56 Substitute for L:
2(4W+3)+2W = 56 Distribute the 2 over the terms in the parenthesis
8W+6+2W = 56
10W = 50
Divide both sides by 10:
10W/10 = 50/10
W = 5
L = 4(5)+3 = 23
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Check:
2L+2W = 56
2(23)+2(5) = 56
46+10 = 56 I'm giving you the correct answer.
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Cheers,
john