Missed 10 days of Algebra 2. I think they did some Long Division stuff but i need help figuring out how to do this stuff. Detailed explanations would be very much appreciated! Image Below of some example problems i wrote out

Eiko is wearing a magic ring that increases the power of her healing spell by 30%30\%30%30, percent. without the ring, her healing spell restores health points. which of the following expressions could represent how many health points the spell restores when eiko is wearing the magic ring?