Question
Fred bought equal number of boxes of silver balls and packets of blue balls. 3 boxes and 5 packets contain 39 balls. 5 boxes and 3 packets contain 33 balls. There were 108 balls altogether. How many boxes of silver balls did Fred buy?
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Fred bought equal number of boxes of silver balls and packets of blue balls. 3 boxes and 5 packets contain 39 balls. 5 boxes and 3 packets contain 33 balls. There were 108 balls altogether. How many boxes of silver balls did Fred buy?