某服装店按标价销售某种品牌的服装时,每件可获利45元;按标价的八五折销售该品牌.
1个回答

1. 设进价为A,定价为C.

C - A = 45

0.85*C*8 - A*8 = (C - 35)*12 - A*12

解得:

A = 155

C = 200

2. 设进价为A,定价则为A + 45

则:(A + 45)* 0.85*8 - A *8 = (A + 45- 35 )*12 - A *12

A = 155

因为:进价 = A =155

所以:定价 = A + 45 = 155 + 45 =200

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