A^2+b^2+c^4=2020. Yes

1foot = 12 inches; 1 yard = 3 feet

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

Which one is the correct answer, and why?