问答题Judy plans to visit the National Gallery once each month in 2012 except in July and August when she plans to go three times each. A single admission costs $3.50, a pass valid for unlimited visits in any 3-month period can be purchased for $18, and an annual pass costs $60.00. What is the least amount, in dollars, that Judy can spend for her intended number of visits? dollars
问答题
Judy plans to visit the National Gallery once each month in 2012 except in July and August when she plans to go three times each. A single admission costs $3.50, a pass valid for unlimited visits in any 3-month period can be purchased for $18, and an annual pass costs $60.00. What is the least amount, in dollars, that Judy can spend for her intended number of visits? dollars
参考解析
解析：
根据题干可知，2012年，Judy共打算参观国家美术馆 16 次，那么根据题意，每次都购买入馆费的话需要花费16×$3.50=$56,这显然比办理年卡（$60.00）花费少；假如Judy在6-8月期间办理月卡，其余月份每次支付入馆费，那么她的总花费为$18+(9×$3.50)=$49.50；由此可见，最少的花费为$49.50。
根据题干可知，2012年，Judy共打算参观国家美术馆 16 次，那么根据题意，每次都购买入馆费的话需要花费16×$3.50=$56,这显然比办理年卡（$60.00）花费少；假如Judy在6-8月期间办理月卡，其余月份每次支付入馆费，那么她的总花费为$18+(9×$3.50)=$49.50；由此可见，最少的花费为$49.50。
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