vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến >

Diane is 23 years older than her daughter Amy. In 6 years, Diane will be twice as old as Amy. How old are they now?

Lời Giải

Diane is 23 years older than her daughter Amy. In 6 years, Diane will be twice as old as Amy. How old are they now?

Lời Giải

Diane^{'} s age is : 40

Amy^{'} s age is : 17

Các bước giải pháp

Translate the problem into an equation:

x + 6 = 2 (x - 23 + 6)

Giải

x, x + 6 = 2 (x - 23 + 6) : x = 40

Tìm age

Diane^{'} s age is : 40

Amy^{'} s age is : 17

Ví dụ phổ biến

Pamela's age is two times Jiri's age. The sum of their ages is 15. What is Jiri's age?Carlo is now 10 years older than Edison. In 5 years, he will be twice as old as Edison's age. What are their ages?Devaughn is 11 years younger than Sydney. The sum of their ages is 53. What is Sydney's age?Ben is three years old. His brother is four times as old as Ben. How old is his brother?Jack is 2 times as old as Lacy. 10 years from now the sum of their age will be 62. How old are they now?