Help plz I will give brainlesed if it's correct When doing the laundry, you use 17 cups of detergent for every 2 gallons of water. Which of the following equations can be used to calculate c, the number of cups of detergent needed when using 10 gallons of water?

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?