
Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion 
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November 25th, 2013, 01:43 PM  #1 
Newbie Joined: Nov 2013 Posts: 2 Thanks: 0  Proportions
The length of a rectangle envelope is 2 1/2 times it's width. A plastic band surrounds the front and back of the envelope to secure it. The plastic band is 39 3/8 inches long. Find the length and width of the envelope.

November 25th, 2013, 02:17 PM  #2  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 3,267 Thanks: 408  Re: Proportions Hello, Mpigs89! We need more information . . . Quote:
Which way is the plastic band oriented? Code: **   *          * ::::::::::::::::::: *          *   ** Code: ****  :::   :::   :::   :::   :::  ****  
November 25th, 2013, 05:14 PM  #3 
Newbie Joined: Nov 2013 Posts: 2 Thanks: 0  Re: Proportions
Both horizontal and vertical around the envelope.

November 25th, 2013, 08:31 PM  #4  
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1038  Re: Proportions Quote:
Let width = w; then length = 5w/2 2w + 2(5w/2) = 39 + 3/8 : solve for w  

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