en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

Alex is a quarter the age of Jenny. In 4 years time, Jenny will be 3 times the age of Alex.How old is Jenny now?

Solution

Alex is a quarter the age of Jenny. In 4 years time, Jenny will be 3 times the age of Alex.How old is Jenny now?

Solution

Jenny^{'} s age is : 32

Solution steps

Translate the problem into an equation:

x + 4 = 3 (\frac{1}{4} x + 4)

Solve for

x, x + 4 = 3 (\frac{1}{4} x + 4) : x = 32

Jenny^{'} s age is : 32

Popular Examples

six less than the product of 9 and a number is equal to 7 Two hikers, Alan and Ben, are 21 miles apart and walking towards each other. They meet in 6 hours. Find the rate of each hiker if Ben walks 0.3 mph faster than Alan.If 800 is invested at an interest rate of 3.75% per year, compounded quarterly, find the value of the investment after 2 years negative three times a number plus four is no more than the number minus eight Margaret invested 2000 at an annual interest rate of 4%, compounded continuously. If she does not make any withdrawals or deposits, approximately how much money will she have after 5 years?