

MCQOPTIONS
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1. |
from 2008 to 2009, the sales of a book decreased by 80%. If the sales in 2010 was the same as in 2008, by what per cent did it increase from 2009 to 2010 ? |
A. | 80% |
B. | 100% |
C. | 120% |
D. | 400% |
Answer» E. | |