it

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popolare Word Problems >

Kevin is 3 years older than Daniel. Two years ago Kevin was 4 times as old as Daniel. Let k be Kevin's age and let d be Daniel's age

Soluzione

Ke v in i s 3 ye a rs o l d er t han D ani e l . Tw o ye a rs a g o Ke v in w a s 4 t im es a s o l d a s D ani e l . L e t k b e Ke v i n^{'} s a g e an d l e t d b e D ani e l^{'} s a g e

Soluzione

Kevin^{'} s age is : 6

Daniel^{'} s age is : 3

Fasi della soluzione

Translate the problem into an equation:

d = k - 3, k - 2 = 4 (d - 2)

d = k - 3, k - 2 = 4 (d - 2) : k = 6, d = 3

Kevin^{'} s age is : 6

Daniel^{'} s age is : 3

Esempi popolari

Magnus is 13 45 years old. Bill is 1 16 years older than Magnus and Jane is 1 13 years older than Bill. How old is Jane?ayse's age is 10. mustapha's age is 4 less than ayse. what is the sum of their ages Calib’s age is three less than twice Jacob’s age. If the sum of their ages 2 years from now is 40, how old is Calib 2 years from now?Bill is twice as old as Bob. Bob is 3 years old. How old is Bill in 5 years?Jamie is currently 25 years older than Alex. In four years Jamie will be three times as old as Alex was 5 years ago. What are their ages now?