搜狗做题网一道用英文写的数学题……求解……麻烦说出理由……
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一道用英文写的数学题……求解……麻烦说出理由……
A ticket to a school play costs x dollars,where x is a whole number.A group of 9th graders buys tickets costing a total of $48,and a group of 10th graders buys ticket costing a total of $64.How many values of x are possible?
(A)1 (B)2 (C)3 (D)4 (E)5
A ticket to a school play costs x dollars,where x is a whole number.A group of 9th graders buys tickets costing a total of $48,and a group of 10th graders buys ticket costing a total of $64.How many values of x are possible?
(A)1 (B)2 (C)3 (D)4 (E)5
这题实际上是问48和64有几个公约数,有1、2、4、8、16共5个,所以选E.