SOLUTION: Define the variables(write "let" statements) and write the equation for the following problems. A teaher's bulletin board needs a new border. The width of the bulletin board is

Algebra ->  Human-and-algebraic-language -> SOLUTION: Define the variables(write "let" statements) and write the equation for the following problems. A teaher's bulletin board needs a new border. The width of the bulletin board is       Log On


   

Question 1055393: Define the variables(write "let" statements) and write the equation for the following problems.
A teaher's bulletin board needs a new border. The width of the bulletin board is 0.8m less than half the length. If she needs a total of 12.2m of border, find the dimensions of the bulletin board.
Much appreciated
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
w and L for width and length;
w=L%2F2-0.8
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2w%2B2L=12.2----perimeter given;
w%2BL=6.1
L%2F2-0.8%2BL=6.1
L%2F2%2BL=6.9
%283%2F2%29L=6.9
L=%282%2F3%29%2A6.9
L=4.6
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