9 stacks of cards and 4 cards left over because when you divide 85 by 9 you get 9.4. So you'd multiply just 9 to get 81 and 4 cards leftover
1 multiplied by 25 and 5 multiplied by 5
All his debt adds up to $1100.
The ratio is 1100/3500
1100/3500 = x/100 ~ cross multiply
The answer is: B. 31%
