皮皮学，免费搜题
登录
搜题
【单选题】
Sam buys gasoline and coffee each week. In order to draw his budget line between gasoline and coffee, Sam would have to know (山姆每周买汽油和咖啡。为了画出汽油和咖啡之间的预算线,山姆必须知道——中文由在线翻译而来,仅供参考)A.
only how much income he has available to spend on gasoline and coffee.只有他可以花多少收入用于汽油和咖啡。
B.
only the prices of one gallon of gasoline and one pound of coffee.只有一加仑汽油和一磅咖啡的价格。
C.
only how much gasoline he wants to buy and how much coffee he wants to drink.他想要买多少汽油,喝多少咖啡呢?
D.
both how much income he has to spend and the prices of one gallon of gasoline and one pound of coffee.他必须花多少收入和一加仑汽油和一磅咖啡的价格。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
相关题目：