Andy's total bill for lunch is $20. the cost of the drink is 15% of the total bill and the rest is the cost of the food. what percent of the total bill did andy's food cost? what was the cost of his food?

Hi there! So Andy's total lunch bill was $20 and the drink was 15% of the bill. Percents are parts of 100 and 100 - 15 is 85. That means 85% of the total bill was Andy's food cost. Let's multiply 20 by 85% ti get the cost of his food. 20 * 85% (0.85) is 17. Andy's food costed $17. Here are the answers broken down to be easier to read.

Percent of Andy's bill with food: 85%
Cost of food: $17

What are the following algebraic equations. you need to post those if you want the answer

Think of it as five or above give it a shove. change the 5 or above to the right to a zero and add one to the number on the left.