Question

Suppose you want to determine the recommended 15% tip on a restaurant bill of $45.00. You can use the proportion to determine the amount of the tip based on the restaurant total.

Use a proportion to determine the amount of a tip based on the restaurant total.

Answer 1

You multiply $ 45 by a 15% tip. When you convert % to a decimal number, the account is 45 x 0.15 = 6,75

When you add $ 6.75 to the $ 45 bill in total you have to pay 6.75 + 45 = 51.75
Answer: $51.75

Answer 2

tip: 6.75

total with tip: 51.75

Explanation: