en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

Jack is 3 times as old as Lacy. 7 years from now the sum of their ages will be 34 . How old are they now?

Solution

Jack is 3 times as old as Lacy. 7 years from now the sum of their ages will be 34 . How old are they now?

Solution

Lacy^{'} s age is : 5

Jack^{'} s age is : 15

Solution steps

Translate the problem into an equation:

3 x + 7 + x + 7 = 34

Solve for

x, 3 x + 7 + x + 7 = 34 : x = 5

Find age

Lacy^{'} s age is : 5

Jack^{'} s age is : 15

Popular Examples

The diameter of a circle is 8 m. Find its circumference in terms of pipi.Trisha is 4 years older than Caila now. The sum of their ages in 8 years from now will be 38. How old are Caila and Trisha now?circle has a circumference of 28.26 units. What is the diameter of the circle? Use 3.14 for pi and enter your answer as decimal.Dominc has two apples he eats one, how many does he have left A circle has a circumference of 35cm. What is its exact diameter?