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OpenStudy (anonymous):
The attendance last year at the Rock Brothers Music Festival was 567 people. This year the attendance was 670 people. What is the percent of increase for this year? Round to the nearest whole percent. A. 18% B. 20% C. 15% D. 19%
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OpenStudy (anonymous):
I use cross multiplication for these. 100% = 670 x =103 670x = 10300 Divide 10300 by 670 and you get 15 C is correct.
OpenStudy (anonymous):
thnks!
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