Here are the answers and walkthrough to Stupid Test Level 17 Question 7 – In a county fair pie-eating contest, Joe ate three pies in 20 minutes. At the same speed, how tong did it take to win the contest by eating twenty-one pies?

• 7 x 20minutes = 2 hours & 20 minutes.

Answer

• 2 hours & 20 minutes

If you need help with all levels of Stupid Test puzzles check our Stupid Test Walkthrough and Answers page.