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en is 20 years older than Daniel. Ben and Daniel first met two years ago. Three years ago, Ben was 3 times as old as Daniel.
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2 votes
en is 20 years older than Daniel. Ben and Daniel first met two years ago. Three years ago, Ben was 3 times as old as Daniel.

User Torsten Becker
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1 Answer

3 votes
D+20=B

3(D-3)=B-3

plug B in

3(D-3)=D+20-3
3D-9=D+17
2D=26
D=13

13+20=B
B=33

Ben is 33 and Daniel is 13
User Peter Eisentraut
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