题目内容双击单词支持查询和收藏哦～
收藏
纠错
It costs $$d$$ dollars to buy $$n$$ nails. At this rate, what is the cost of $$n+1,850$$ nails, in dollars?
-
A.$$\frac{1850nd+d}{n}$$
-
B.$$\frac{nd+d}{1850n}$$
-
C.$$\frac{1850d+n}{d}$$
-
D.$$\frac{1850n+n^{2}}{d}$$
-
E.$$\frac{1850d+nd}{n}$$
E显示答案
