疑惑 救救我啊

guo573874201

For each customer, a bakery charges p dollars for the first loaf of bread bought by the customer and charges q dollars for each additional loaf bought by the customer.What is the value of p ?



(1)A customer who buys 2 loaves is charged 10 percent less per loaf than a customer who buys a single loaf.



(2)A customer who buys 6 loaves of bread is charged 10 dollars.答案选C  为什么条件1  买两个面包必买一个面包的还要便宜呢  是不是我没有看懂啊  急急

lzger2000

A customer who buys 2 loaves is charged 10 percent less per loaf than a customer who buys a single loaf.

PER LOAF...NOT TOTAL
(P+Q)/2=9/10P

你该干嘛干嘛去

每个面包便宜百分之10。就是一种促销活动，买一个原价，买俩以上打九折。