← 指数增长・衰减与复利 · 题库挑战

ONE QUESTION, ONE STEP

ZX-DE6A967CE2

Ratios, rates, proportional relationships, and units · 第 3 题

Ratios, rates, proportional relationships, and units · 原库模块 1 · Q3 原库参考解析

Jeremy deposited x dollars in his investment account on January 1, 2001. The amount of money in the account doubled each year until Jeremy had 480 dollars in his investment account on January 1, 2005. What is the value of x ?

支持整数、小数和分数;循环小数建议填写分数,不需要写单位。