$9 + $7 + $5 = $21 so $18 - $21 = account balance = -$3
Answer:
The choose C. 24x+6y
Step-by-step explanation:

I hope I helped you^_^
He saves $200 (the amount of change over the original amount $500
200/500 = 2/5 and 2/5 = 40% (divide 2 by 5 and get .4 which = 40%)
40% discount is the answer to your question
Answer:
I think they are all letter A
Step-by-step explanation: