en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

Denise is now 4 over 5 as old as her sister Deth. Four years ago, she was 3 over 4 as old as her sister. What are their present ages?

Solution

De ni se i s n o w 4 o v er 5 a s o l d a s h er s i s t er De t h . F o u r ye a rs a g o, s h e w a s 3 o v er 4 a s o l d a s h er s i s t er . Wha t a re t h e i r p rese n t a g es ?

Solution

Deth^{'} s age is : 20

Denise^{'} s age is : 16

Solution steps

Translate the problem into an equation:

\frac{4}{5} x - 4 = \frac{3}{4} (x - 4)

Solve for

x, \frac{4}{5} x - 4 = \frac{3}{4} (x - 4) : x = 20

Find age

Deth^{'} s age is : 20

Denise^{'} s age is : 16

Popular Examples

Maria’s mother is now four times as old as Maria. In five years she will be three times as old as Maria. What are their ages now?Tony is 8 years older than Kyle. The sum of their ages was 32 three years ago. What is Kyle's current age?Fred is 4 years older than Barney. Five years ago, the sum of their ages was 48.Kristen is 17 years old. She is 3 years older than half the age of Dorinda. How old is Dorinda?Rebecca is 29. She is 10 years older than Sam. How old is Sam?