GRE Section45-3 怎么算the daily rate for hotel that sleeps 4 people is 39dollars for one person and x dollars for each additional person.if 3 people take the room for one day and each pays 21dollars for the room what is the value fo a)4 b)8 c)12 d

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GRE Section45-3 怎么算the daily rate for hotel that sleeps 4 people is 39dollars for one person and x dollars for each additional person.if 3 people take the room for one day and each pays 21dollars for the room what is the value fo a)4 b)8 c)12 d
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GRE Section45-3 怎么算the daily rate for hotel that sleeps 4 people is 39dollars for one person and x dollars for each additional person.if 3 people take the room for one day and each pays 21dollars for the room what is the value fo a)4 b)8 c)12 d
GRE Section45-3 怎么算
the daily rate for hotel that sleeps 4 people is 39dollars for one person and x dollars for each additional person.if 3 people take the room for one day and each pays 21dollars for the room what is the value fo
a)4 b)8 c)12 d)13 e)14

GRE Section45-3 怎么算the daily rate for hotel that sleeps 4 people is 39dollars for one person and x dollars for each additional person.if 3 people take the room for one day and each pays 21dollars for the room what is the value fo a)4 b)8 c)12 d
1个人39元
2个或以上39+nx
21X3=39+3X
63=39+3X
21=13+X
X=8

GRE Section45-3 怎么算the daily rate for hotel that sleeps 4 people is 39dollars for one person and x dollars for each additional person.if 3 people take the room for one day and each pays 21dollars for the room what is the value fo a)4 b)8 c)12 d 英语单词：gre?br?t GRE怎么考呀? gre作文怎么判 怎么打印gre准考证 怎么准备GRE? gre单词怎么背 GRE怎么准备? 新GRE怎么准备? 怎么用GRE PP2 GRE sub怎么报名? GRE该怎么复习? gre issue 怎么复习 新GRE怎么计分? gre重考怎么报名 怎么练习GRE听力 怎么背GRE? 新GRE是怎么算分,是怎么一个形式.