SOLUTION: Dennis had $80 more than Ross. If Ross gave Dennis $16, Dennis would have 3 times as much as Ross. How much did each of them have at first?

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Question 1108521: Dennis had $80 more than Ross. If Ross gave Dennis $16, Dennis would have 3 times as much as Ross. How much did each of them have at first?
Answer by ikleyn(52898) About Me  (Show Source):
You can put this solution on YOUR website!
.
D = R + 80,            (1)
D + 16 = 3*(R-16).     (2)

The setup is just completed.

The rest is just technique.