Question
Carl bought 2 packets of cards. In each packet, there were 10 cards. He used 8 of the cards and gave some of them to his brother. 710 of his cards were then left. What fraction of the cards he bought were given to his brother?
4 m

Click button first when a symbol is required. X

Carl bought 2 packets of cards. In each packet, there were 10 cards. He used 8 of the cards and gave some of them to his brother. 710 of his cards were then left. What fraction of the cards he bought were given to his brother?