Saturday

April 18, 2015

April 18, 2015

Posted by **kola** on Tuesday, April 30, 2013 at 5:05am.

- mathematics -
**Reiny**, Tuesday, April 30, 2013 at 8:14ampresent:

father --- 10x

son -------3x

3x = 15

x = 5

son is now 15 and father is now 50

in t years,

(50+t)/(15+t) = 2/1

30+2t = 50+t

t = 20

**in 20 years**, the father will be 70 and the son will be 35

(which is in the ratio of 2:1 )

- mathematics -
**Frontman**, Monday, May 27, 2013 at 3:53pmThe arithmetic mean of x y and z is 6 while x y z t u v and w is 9 calculate the arithmetic mean of t u v and w.

**Answer this Question**

**Related Questions**

Math - I cant figure this out! Can someone please tell me were my mistake is...

Math - Translate this situation into a system of equations of the first degree ...

math - A. A woman was 30 years old when her daughter was born.Her age is now 6 ...

Math - The sum of John's age and twice of his son's age is 56. In 8 years time, ...

math - When a woman is as old as her father is now, she will be five times as ...

math - 1. Lisa is 15 years old and her father is 40. How many years ago was the ...

algerbra - mrs. johnson is 3 times as old as her son. ten years agoe she was 5 ...

College Math - A certain man spent 10% of his life in childhood and 20% of his ...

Math - John's present age is five years more than thrice the present age of his ...

math - This year the Sum of Mr. Bellinis age and his son's age his son's age is ...