SOLUTION: Mark and Don are planning to sell each of their marble collections at a garage sale. If Don has 1 more than 2 times the number of marbles Mark has, how many does each boy have to s

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Mark and Don are planning to sell each of their marble collections at a garage sale. If Don has 1 more than 2 times the number of marbles Mark has, how many does each boy have to s      Log On


   

Question 1189305: Mark and Don are planning to sell each of their marble collections at a garage sale. If Don has 1 more than 2 times the number of marbles Mark has, how many does each boy have to sell if the total number of marbles is 73
How many did Mark sell?
How many did Don sell?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Mark and Don are planning to sell each of their marble collections at a garage sale. If Don has 1 more than 2 times the number of marbles Mark has, how many does each boy have to sell if the total number of marbles is 73
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D + M = 73
D = 2M + 1
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etc