Question
Pierre gave 211 of his buttons to Rael, 311 of his buttons to Charlie and 311 of his buttons to Sean. He then had 9 buttons left. How many buttons had he at first?
4 m

Click button first when a symbol is required. X

Pierre gave 211 of his buttons to Rael, 311 of his buttons to Charlie and 311 of his buttons to Sean. He then had 9 buttons left. How many buttons had he at first?