Saturday

April 18, 2015

April 18, 2015

Posted by **Jordan** on Friday, February 15, 2013 at 4:20am.

- Maths -
**Steve**, Friday, February 15, 2013 at 5:00amj:r = 3:1, so j=3r

(j+25)/(r+25) = 4/3

(3r+25)/(r+25) = 4/3

3(3r+25) = 4(r+25)

9r+75 = 4r+100

5r = 25

r = 5

so, John is 15

in 25 years, the two will be 40 and 30

**Answer this Question**

**Related Questions**

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

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

maths - John is 3 times as old as Susan now. In 4 years time John will be 18 ...

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

Math - Loretta's age now is twice John's age five years ago. In three years the ...

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

Mathematics - A half of what John's age was 4 years ago is equal to one third of...

math - mr. cruz is 3 years older. he would be the same age as mr. john. mr. john...

mathematics - the present age of a father and his son are in the ratio 10:3. if ...

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