Question
Riordan gave 17 of his buttons to Mark, 27 of his buttons to Ian and 17 of his buttons to Archie. He then had 6 buttons left. How many buttons had he at first?
4 m

Click button first when a symbol is required. X

Riordan gave 17 of his buttons to Mark, 27 of his buttons to Ian and 17 of his buttons to Archie. He then had 6 buttons left. How many buttons had he at first?