vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

Daryl is twice as old as Kathlyn. In 6 years, he will be four times as old as she was 3 years ago. Find their present ages.

Lời Giải

D a ry l i s tw i ce a s o l d a s K a t h l y n . I n 6 ye a rs, h e w i ll b e f o u r t im es a s o l d a s s h e w a s 3 ye a rs a g o . F in d t h e i r p rese n t a g es .

Lời Giải

Daryl^{'} s age is : 6

Kathlyn^{'} s age is : 3

Các bước giải pháp

Translate the problem into an equation:

x + 6 = 4 (x - 3)

Giải

x, x + 6 = 4 (x - 3) : x = 6

Tìm age

Daryl^{'} s age is : 6

Kathlyn^{'} s age is : 3

Ví dụ phổ biến

Hampton's current population is 443,864 residents, which is 20% smaller than at the time of its founding. What was the population of Hampton back then?Is the real number sqrt(1.21) rational or irrational?five times a number decreased by eight is at most ten more than twice the number Find 27.4% of 424. Round to the nearest tenth.Kevin’s age is 3 years more than twice Jane’s age. The sum of their ages is 39. How old is Kevin and Jane?