Answer:
13n - 6 is your correct answer
Step-by-step explanation:
12 dollers and 50 cents
Now
Gary gets 4 marbles, because 12/3 is 4. So for the ratio 3:1 to apply, Jo gets 12 marbles and Gary gets 4.
Answer:13
2 times 3 is 6 so then we add 7 to get 13