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?

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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) About Me  (Show Source):
Answer by lwsshak3(11628) About Me  (Show Source):
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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?
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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