SOLUTION: The ages of Mark and Adam add up to 28 years total. Mark is 20 years older than Adam. How many years old is Adam?

Algebra.Com
Question 705401: The ages of Mark and Adam add up to 28 years total. Mark is 20 years older than Adam. How many years old is Adam?
Found 2 solutions by crazy_mathfreak, lwsshak3:
Answer by crazy_mathfreak(2)   (Show Source): You can put this solution on YOUR website!
Adam is 8
Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
The ages of Mark and Adam add up to 28 years total. Mark is 20 years older than Adam. How many years old is Adam?
**
let x=Adam's age
28-x=Mark's age
x+20=28-x
2x=8
x=4
28-x=24
Adam's age=4
Mark's age=24

RELATED QUESTIONS

Adam is 12 years older than his sister Emily. The sum of their ages is three times... (answered by josgarithmetic)
2 years ago, Adam was three times as old as Steve. In 4 years, Adam will be 10 years... (answered by josmiceli)
Adam is x years old. His father is 25 years older than Adam. His brother is 3 years... (answered by Theo,rothauserc)
Adam is 6 years older but twice Joe's age. Their total age is 27. What are Adam and... (answered by richwmiller)
Adam is x years old. His father is 21 years older than Adam. His brother is 3 years... (answered by hkwu)
John is 7 years older than his brother Adam and the product of their ages is 60. How old... (answered by ikleyn)
If Adam is 15 years younger than Alicia and in 6 years Alicia will be twice as old as... (answered by timvanswearingen)
Marks's brother is five years older than Mark. Thier combined ages add up to 23, how old... (answered by josgarithmetic,leslielai89)
Jeff is 3 years older than four times the age of Adam. If the sum of their ages is 63,... (answered by ikleyn)