Final answer:
To find the amount Holly is paying with the coupon, convert the discount percentage to a decimal, multiply it by the total bill to find the discount amount, and then subtract the discount amount from the total bill.
Step-by-step explanation:
To find the amount of money Holly is paying after using the coupon, you need to calculate the discount and subtract it from the total bill.
Step 1: Convert the discount percentage to a decimal by dividing it by 100: 15/100 = 0.15.
Step 2: Multiply the total bill by the discount decimal to find the discount amount: $32.40 * 0.15 = $4.86.
Step 3: Subtract the discount amount from the total bill to find the amount Holly is paying: $32.40 - $4.86 = $27.54.
Therefore, Holly is paying approximately $27.54.