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题库 / GMATAdvanced-DS-37
Alan and Sue have each been saving one dollar a day and will continue to do so for the next month. If Sue began saving several days before Alan, in how many days from today will Alan have saved one-half as much as Sue?
(1)As of today, Alan has saved 7 dollars and Sue has saved 27 dollars.
(2)Three days from today,Alan will have saved one-third as much as Sue.
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
EACH statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient.
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如果S比A早了好几天开始攒钱,那么从今天算起,S要比A早几天开始攒钱,才能使得从今天开始过了三天,A攒的钱是S攒的钱的1/3
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