Math with Bad DrawingsCartoon Archive

The Tip Is $70?

January 11, 2017Original blog post

Two diners compute a $70 tip on a $32 meal, and one suggests a sign error means the restaurant owes them.

Use this cartoon

Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.

Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2017-01-11-the-tip-is-70/ (CC BY-NC 4.0)
Transcript

[At a restaurant] A: "So the tip is… $70? But the meal was only $32…" B: "Maybe we made a sign error, and they owe us $70."

Topics
Number & Arithmetic › Percentages › TipsNumber & Arithmetic › Integers › Negative Numbers
Level
Middle SchoolHigh School
Themes
Money & ShoppingFoodCommon Mistakes