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The night school graduation class of 2010 was 260 people. Five years later the high school graduating class was 320 people. By approximately what percent did the high school graduating class change ?

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Answer:

Step-by-step explanation:

First you need to set up your proportion with your variable as the missing number.

The parts go on top and the wholes go on bottom.  

260 people    =       x %

320 people              100%  

solve from there....post if you need help I will check back in a few minutes.

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