Question
Justin bought 4 packets of black buttons and 4 bags of pink buttons. There were 20 black buttons more than pink buttons. He had 76 buttons altogether. How many black buttons were there in each packet?
4 m

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Justin bought 4 packets of black buttons and 4 bags of pink buttons. There were 20 black buttons more than pink buttons. He had 76 buttons altogether. How many black buttons were there in each packet?