1 is the answer hope this helps
Nfaehjfeswngsrenjugrsnrs Answer is B
so Im not sure about how an equation for this would look but im assuming her mom doesnt pay unless a full 5 is completed, in that case her mom donates $1.6, in the case less than 5 is still donated for we make .16 * 12 which is $1.92
There are an infinite number of correct answers to that question.
Here are 5 answers ... one for each point:
13, 26, 39
13, 39, 52
13, 39, 130
65, 91, 117
39, 169, 299