en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

marc is five times as old as martha. four years ago, the sum of their ages was 50. how old are they now?

Solution

marc is five times as old as martha. four years ago, the sum of their ages was 50. how old are they now?

Solution

Martha^{'} s age is : 9 \frac{2}{3}

Marc^{'} s age is : 48 \frac{1}{3}

Solution steps

Translate the problem into an equation:

5 x - 4 + x - 4 = 50

Solve for

x, 5 x - 4 + x - 4 = 50 : x = \frac{29}{3}

Find age

Martha^{'} s age is : 9 \frac{2}{3}

Marc^{'} s age is : 48 \frac{1}{3}

Popular Examples

A boy is 6 years older than his sister. In three years, he will be twice her age. what are their present ages?what is the result when the number 33 is increased by 58%What is the radius of the circle that has a circumference of 23pi inches?Rose opened a savings account and deposited 1,000.00. The account earns 9% interest, compounded monthly. If she wants to use the money to buy a new bicycle in 2 years, how much will she be able to spend on the bike?Charlos purchased a machine for 85, 000 after a discount of 25%. Calculate the original price of the machine