Question

One size of cardboard can be purchased in sheets that are 3/16 inch thick. The sheets of cardboard are stacked on top of each other in packages. The height of each stack is 2 1/4 inches. How many number of sheets are in a stack

Answer 1

36 sheets

Explanation:

16 x 2 = 32

32 + 4 = 36

Answer 2

2 1/4 = 9/4
9/4 divided by 3/16
Flip the second fraction
9/4 x 16/3
Multiply numerators by numerators and denominators by denominators.
9x16 and 4x3
144/12
Simplify
144/12= 12
12 sheets of cardboard in a stack.