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I'm having trouble with a few problems.. I'm a Homeschooler, and my teacher is away for a while, so I need a bit of help figuring these problems out.

1. A flower seed company has a rectangular test plot with a perimeter of 322 m. The length is 25 m more than the width. Find the dimensions of the plot.

2. Trent can deliver his newspapers in 30 minutes. It takes Lois 20 minutes to do the same route. How long would it take them to deliver the newspapers if they work together?

3. How much water must be evaporated from 240 gallons of a 3% salt solution to produce a 5% salt solution?

Note: I'm still just beginning PreCalculus, so I'm somewhat of a newbie to it.. So.. Help!

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# Pre-Calculus Help.

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