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OpenStudy (2yoututu11):
What is the percent of increase from 50 to 90? A. 40% B. 50% C. 80% D. 90%
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OpenStudy (mathmagician):
50-100% 90-x x=90*100/50=180% So, the increase is 180%-100%=80%
OpenStudy (2yoututu11):
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