Asked by China one

in 200, the population at Arlington Middle School was approximately 421 students. In 2010, the population was approximately 584 students. Find the percent of change in the population at Arlington Middle School from 2000-2010 and identify it as an increase or decrease

1 27.9% increase
2 27.9% decrease
3 38.7% increase
4 38.7% decrease
Answered by Damon
584/421 = 1.387
which is a 38.7 % increase

another way
584 - 421 = 163
163/421 = .387 so 38.7% increase

Both ways are actually the same but different ways of thinking about it :)
Answered by China one
Thanks man. are you in connections acadamy?
Answered by Ms. Sue
Damon is a retired MIT professor!
Answered by China one
Haha i didnt know!
Answered by Arthur
Oh, lol China one
Answered by Someone
in 200!!! HAHAHAHAHAHAHAHAHA
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