en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

Emily is 2 years older than her sister Shelly. Eight years ago she was twice as old as Shelly. What are their present ages?

Solution

E mi l y i s 2 ye a rs o l d er t han h er s i s t er S h e ll y . E i g h t ye a rs a g o s h e w a s tw i ce a s o l d a s S h e ll y . Wha t a re t h e i r p rese n t a g es ?

Solution

Emily^{'} s age is : 12

Shelly^{'} s age is : 10

Solution steps

Translate the problem into an equation:

x - 8 = 2 (x - 2 - 8)

Solve for

x, x - 8 = 2 (x - 2 - 8) : x = 12

Find age

Emily^{'} s age is : 12

Shelly^{'} s age is : 10

Popular Examples

The sum of two numbers is 5 and their difference is 9. What are the two numbers?We went to lunch and spent 18.75. We wanted to tip our waitress 18%. What is our total bill going to cost?Abdoulaye is going to invest in an account paying an interest rate of 5.1% compounded quarterly. How much would Abdoulaye need to invest, to the nearest cent, for the value of the account to reach 138,000 in 14 years?Find the two consecutive integers whose sum is 223 9300 dollars is placed in an account with an annual interest rate of 6.75%. To the nearest tenth of a year, how long will it take for the account value to reach 33900 dollars?