There are a total of 208 cards. For every one card Tony has, Duane has 12, which means that there are 13 cards in each "set." If you divide the total number of cards (208) by 13, you get 16 "sets." So out of the total 208 cards, Tony has 16 cards and Duane has 12 times 16 or 192 cards.
154 divided by 2
Answer = x = 77
Centimeters. or the Metric System.
Standard form is
ax + by = c
Only choice A is in that form.
