Posted by **Sammyjoo** on Thursday, June 7, 2012 at 12:07am.

15) Marissa is 3 years older than her younger brother. Her older brother is twice as old as her younger brother. Her older brother is 18. How old are Marissa and her younger brother?

- Math -
**Rina**, Thursday, June 7, 2012 at 12:32am
Marissa is 12 which means the younger bro is 9

- Math -
**Sammyjoo**, Thursday, June 7, 2012 at 6:54am
I know the answer, but is there a special formula to work it out.

## Answer This Question

## Related Questions

- Math - 1. The sum of the ages of two brothers is 46. The younger brother is 10 ...
- math - Anthony's older brother is 5 1/6 feet tall, Anthony's younger brother is ...
- Math - Jason is 20 years old. He is 4 times older than his younger brother. ...
- Calculus - On Dick's birthday, his brother Harry is seventeen years younger than...
- math - Joan is 'y' years old. Her father is 4 times as old as she is and 28 ...
- Math - FIve years ago Zack would have been three times older than his young ...
- Algebra - Mary is y years old. Write an algebraic expression in terms of y for ...
- math - you are 6 years older than your sister she is 4 years older than your ...
- Algebra 1 - Your cousin is eight years older than your brother three years ago ...
- math - Donna is 12 years younger than her brother. in 2 years she will be 14 ...

More Related Questions