SOLUTION: Says Jon to Billy, " I have three times as many marbles as you." Yes, says Billy: "but if u give me 20, I shall have seven times as many as you." How many marbles do each have?"

Question 1073484: Says Jon to Billy, " I have three times as many marbles as you." Yes, says Billy: "but if u give me 20, I shall have seven times as many as you." How many marbles do each have?"
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
j, number of marbles Jon has
b, number of marbles Billy has

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