Posted by joy on Wednesday, July 28, 2010 at 9:06pm.
x + (3+x) = 31
3 + 2x = 31
2x = 28
x = 14
Dina must be 14.
Related Questions
math - Cynthia is three years older than Dina. The sum of their ages is 31. Find...
ALG 2! plz help urgent!! - 1.)Four times a certain number is the same as the ...
MATH - 1. A father is three times as old as his son. Five years ago the sum of ...
Math alg2! - 1.)Mike is 5 years more than twice as old as Tom. The sum of their ...
algebra - brian is 26 years older than his daughter kim. the sum of their ages ...
Algebra - Brian is 26 years oldr than his daughter Kim. The sum of their ages is...
business - Your budjet allows you to purchase only one math software package for...
Math - Three students came to the bake sale to shop. The sum of their ages is 33...
Math - Three students came to the bake sale to shop. The sum of their ages is 33...
math - Three students came to the bake sale to shop. The sum of their ages is 33...
For Further Reading
