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GRE数学,acertainreciperequires3/2cupsofsugerandmakes2dozencookies.(1dozen=12)比较,theamountofsugerrequiredforthesamerecipetomake30cookies与2cups的大小.B.我想的是,做12个要花3/2,那么30个就是3/2

题目详情
GRE数学,a certain recipe requires 3/2 cups of suger and makes 2 dozen cookies.( 1 dozen= 12 )
比较,the amount of suger required for the same recipe to make 30 cookies 与 2 cups 的大小.
B.
我想的是,做12个要花3/2,那么 30 个就是 3/2 除以12再乘 30,得出需要 15/4 .
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答案和解析
your idea is right,but you have forgotten that it's 2dozen.so the answer is 15/8.
哈哈我的英语有语法错误没?