Answer:
5
Step-by-step explanation:
X + 2y = 13
Since x = 3
3 + 2y = 13
2y = 13 - 3
2y = 10
Divide both sides by 2
Y = 5
28% interest would be your answer, you just divide 560/2000=.28
Step-by-step explanation:
Can you show a picture of the table, I can't help if I don't see the whole problem