Raj and Aditi like to play chess against each other. Aditi has won 12 of the 20 games so far. They decide to play more games. Ho
w many more games will Aditi have to win to have a 70% winning record? 12 + x = 0.70(20 + x) x = ≈ 6.67 She will have to win 7 more games to have a 70% winning record. How many more games will Aditi have to win to have an 80% winning record? The linear equation that models this is . Aditi would have to win more games to have an 80% winning record.