题干在#13题 5)Given the graphs and what your friend knows about economics, he recommends you increase the price of adult tickets to $8 each and lower the price of a child's ticket to $3. How much could you increase total revenue if you take his advice?
A.
total revenue would increase to $440
B.
total revenue would increase to 80
C.
total revenue would increase to $11
D.
total revenue would increase to $360
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参考答案:
举一反三
【简答题】电路如图 所示,已知 I S1 =5A , R 1 =2Ω , I S2 =5A , R 2 =1Ω , R 3 =2Ω 。试用电压源与电流源等效变换的方法求 R 3 中的电流 I 3 。