Walt: Combine simple proportions to work out what parts the whole is made up in a unit of 10 like 3 yellow and 7 blue, 5 yellow and 5 blue, 4 yellow and 6 six blue. Say what the fraction and percentage of each stack is for yellow and blue.
Ex: Q. What is the percent of decrease from 800,000 to 0?
A. 100%
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