Wednesday

April 23, 2014

April 23, 2014

Posted by **xavier** on Thursday, March 22, 2012 at 6:58am.

- maths -
**Reiny**, Thursday, March 22, 2012 at 9:51ampresent ages:

Susan --- x

John ---- 3x

Four years from now:

Susan -- x+4

John --- 3x + 4

3x+4 = x+4 + 18

2x = 18

x = 9

Susan is now 9 and John is now 27

check:

in four years:

Susan = 13, John is 31

is 31 greater than 13 by 18 ? YES!!

**Related Questions**

math - A. John is now 10 years older than Marcus. Three times John's age 5 years...

math - A. Brad is 12 years older than Sam . If Brad were 8 years older than he ...

Maths - Greg and Martin's age when added together come to a total of 60 years. ...

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

Maths - The ratio John's age to Ryan's age is 3:1 now . 25 years later , the ...

Maths - The ratio John's age to Ryan's age is 3:1 now . 25 years later , the ...

math - John's father is thrice as old as John. 6 years from now, his father will...

Math - A man is currently 4 times as old as his son. In 4 yrs from now hell be...

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

math - i never can do word problems....please help... i got 7 of them.....these ...