Answer: 14/4
Step-by-step explanation:
since 4/4 is one three would be 12/4. Adding 2/4 to 12/4 is 14/4. So the answer is 14/4

let the solution be 
let the solutions be a = 3, b = 1
is the equation with consistent value.
12.) she gets 70 because she sells 60 fiction and 20 non fiction and you add 60 to 10 because the things are half off