Question

The sides of a whiteboard are 20 inches by 10 inches. How many 2 inch by 2 inch Post-it notes will be needed to cover the entire whiteboard?

Answer 1

50

Explanation:

Given that:

Sides of whiteboard :

Length = 20 inches

Width = 10 inches

Dimension of post it notes :

Length = 2 inches

Width = 2 inches

Dimension of white board / dimension of post it notes :

Length = 20 / 2 = 10

Width = 10 /2 = 5

Amount of post it notes required to cover white board :

10 * 5 = 50 post it notes