标题: 急问数学307，7小时候出征。。请NN帮忙！！！！！ [打印本页] 作者: christinabai 时间: 2010-8-13 20:48 标题: 急问数学307，7小时候出征。。请NN帮忙！！！！！ 307 S: In a research, 15% of the plants developed fungus and died, 40% of the plants who developed fungus but not died, what is the percentage of the plants developed fungus? A. 25% B. 27% C. 35% D. 40% E. 55% 我数学很烂，请指教。。作者: feid1984 时间: 2010-8-13 21:12
http://forum.chasedream.com/GMAT_Math/thread-475771-1-2.html
参考作者: christinabai 时间: 2010-8-13 21:15
Thank you so much!!
S: In a research, 15% of the plants developed fungus and died, 40% of the plants who developed fungus but not died, what is the percentage of the plants developed fungus?