涛涛GWD-25-23 求教

centennial

At a fruit stand yesterday, the price of each apple was $0.10 more than the price of each orange. What was the total revenue from the sale of oranges at the fruit stand yesterday?

(1) The number of oranges sold at the fruit stand

   yesterday was 5 more than the number of

   apples.

(2) The total revenue from the sale of apples at the fruit stand yesterday was $15.00

 

这道题答案给的是C, 可我怎么算也是两个未知数啊,急求各位牛牛了

kevin_8p

Yes, there are 4 variables but only 3 equations.

poorleafer

我选E

答案给的是C。。。有NN算出来么？我算不出啊。。。

laststraws

 xy=15

(x-0.1)(y+5)=?

似乎算不出啊

lanshichao90

 我觉得是答案错误。

这个题目最少也要两个未知数：orange的单价和数量

列方程最后出现单独的 有关orange单价和数量的式子，分别不知道这两个未知数的值，所以revenue没法算出来。

应该是E的。

mingzhu

应该是E