A waitress earns an average tip of 12% of the cost of the food she serves. If she serves $375 worth of food in one evening, how much money in tips will she earn on average?

A waitress earns an average tip of 12% of the cost of the food she serves. If she serves $375 worth of food in one evening, how much money in tips will she earn on average?

Detailed Explanation

Multiply the total amount spent on drinks, 375, by 12% to determine the amount of tips.

375 × 0.12 = 45.

375 × 0.12 = 45.