Question
Ivan gave 311 of his pens to Cody, 211 of his pens to Bobby and 111 of his pens to Pierre. He then had 30 pens left. How many pens had he at first?
4 m

Click button first when a symbol is required. X

Ivan gave 311 of his pens to Cody, 211 of his pens to Bobby and 111 of his pens to Pierre. He then had 30 pens left. How many pens had he at first?