vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến >

Pamela is 14 years younger than Jiri. The sum of their ages is 30. What is Jiri's age?

Lời Giải

Pamela is 14 years younger than Jiri. The sum of their ages is 30. What is Jiri's age?

Lời Giải

Jiri^{'} s age is : 22

Các bước giải pháp

Translate the problem into an equation:

x + x + 14 = 30

Giải

x, x + x + 14 = 30 : x = 8

Tìm Jiri's age

: 22

Jiri^{'} s age is : 22

Ví dụ phổ biến

Mr Marquez is 5 times as old as his son now.In 8 years time, the sum of their ages will be 58 years. How old is Mr Marquez now?Matthew is half as old as Alan. If the sum of their ages is 54,find their ages.Cassandra’s age is two more than twice Chandria’s age. If the sum of their ages three years ago was 8, how old are they now?Joshua is twice as old as his brother Carlo. In 10 years, the sum of their ages will be 45. How old are they now?Jess is three years older than Mike. Twenty years from now, the sum of their ages would be 51. How old is Jess today?