Put on your  math thinking caps.

The Icon invited Chris Leuthold, adjunct math instructor at Bluffton University, to provide The Icon with some math puzzles.  

We want to assist our viewers with ways to survive the long, dark winter nights. Chris rates the level of difficulty  in his quizzes from 1 to 4, with 4 being the toughest. 

He rates quiz 3 as a "3".

QUIZ NUMBER 3

Steve rode his bicycle at the rate of 15 mph for 4 hours. Then, he walked at the rate of 5 mph for 2 hours. What is Steve's average speed for the entire trip?

QUIZ NUMBER 2 from last week:

The number 2015 is divisible by 65. What is the next year that is divisible by 65?

Quiz 2 answer: 2080.

Answer for Quiz number 3 next week.