ONE QUESTION, ONE STEP
ZX-9B1A3C6AF6PSAT10 P2 · 第 13 题
PSAT10 P2 · 原库模块 2 · Q13 原库参考解析
A contract for a certain service requires a onetime activation cost of $35 and a monthly cost of $23. Which equation represents this situation, where c is the total cost, in dollars, of this service contract for t months?
参考答案：
解题思路
容易忽略的一步
