GRE

简答题 Tim went through 25 diapers per week for his first year and lo diapers per week for his second and third years.How many diapers did he use in his first three years?

参考答案:暂无进入在线模考
D.Tim used 25×52=1,300 diapers in the 52 weeks of his first year and
10×52=520 diapers in each of his next two years, for a total of 1300+520+520=2,340.