If r and s are positive integers, r is what percent of s?
(1) r=(3/4)s
(2) r+s=75/100
答案选D,不太明白,谁能帮帮我?
仔细看看题,是不是2你抄错了
1:r=3s/4=>r:s=3:4=75%
2:r/s=75:100
你把除号看成加号了,害得我也去查了og
欢迎光临 国际顶尖MBA申请交流平台--TOPWAY MBA (http://forum.topway.org/) | Powered by Discuz! 7.2 |