Posted by dawn on Monday, June 30, 2008 at 9:23pm.
For the first problem, you could use the price of one can of soda from a machine and compare it with a six-pack of the same size of cans of soda. Which is the better buy?
I've used ratios and proportions for many years because I never learned a couple of basic math procedures. For instance, if I need to know what percent of 250 equals 50, I set it up as a proportion.
50/250 = x/100
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