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 t thumbtacks. At this rate, what is the cost of t+2,500 thumbtacks, in dollars?
-
A.$$\frac{2500t+t^{2}}{d}$$
-
B.$$\frac{2500t+t}{d}$$
-
C.$$\frac{td+d}{2500t}$$
-
D.$$\frac{2500td+d}{t}$$
-
E.$$\frac{2500d+td}{t}$$
E显示答案
