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题目材料：
Of the customers who spent more than $19.99 but less than $30.00 at Supermarket X between 1:00 and 3:00 P.M. yesterday, the total amount of money spent by male customers was twice the total amount of money spent by female customers. What is the least possible value for the total amount of money these female customers could have spent?
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A.$40
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B.$45
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C.$50
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D.$55
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E.$60
C显示答案
