Question

The sides of a whiteboard are 16 inches by 10 inches. How many 2 inch by 2 inch Post-it notes will be needed to cover the entire whiteboard?

Answer 1

40

Step-by-step explanation

area of whiteboard is
`160 inches^(2)`

area of post it is
`4 inches ^(2)`

160/4 is 40 post it notes

Answer 2

40 Post-it notes

Explanation:

10/2 = 5 on the side that measures 10"

16/2 = 8 on the side that measures 16"

5 x 8 = 40 post-it notes