SOLUTION: Don's three times as old as David and the sum of their ages is 60. Find their ages.
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Question 954512: Don's three times as old as David and the sum of their ages is 60. Find their ages.
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
Don=3(David)
Don+David=60
3(David)+David=60
4(David)=60
David=15 ANSWER 1: David is 15.
Don=3(David)=3(15)=45 ANSWER 2: Don is 45.
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