Question
Jeremy bought 3 packets of postcards. In each packet, there were 10 postcards. He used 5 of the postcards and gave some of them to his brother. 13 of his postcards were then left. What fraction of the postcards he bought were given to his brother?
4 m

Click button first when a symbol is required. X

Jeremy bought 3 packets of postcards. In each packet, there were 10 postcards. He used 5 of the postcards and gave some of them to his brother. 13 of his postcards were then left. What fraction of the postcards he bought were given to his brother?