Fiona and Winnie have some croissants each. If Fiona gives Winnie 16 croissants, Fiona will have ¹₂ as many croissants as Winnie. If Fiona gives Winnie 5 croissants, they will have an equal number of croissants. How many croissants does Winnie have at first?

	Case 1		Case 2
	Fiona	Winnie	Fiona	Winnie
Before	1 u + 16	2 u - 16	1.5 u + 5	1.5 u - 5
Change	- 16	+ 16	- 5	+ 5
After	1 u	2 u	1.5 u	1.5 u

Total number of croissants that Fiona and Winnie have
= 1 u + 2 u
= 3 u 

Number of croissants that Fiona and Winnie each has in the end is the same.

Number of croissants that Fiona and Winnie each has in the end in Case 2
= 3 u ÷ 2
= 1.5 u

Number of croissants that Fiona had at first is the same in Case 1 and Case 2.

1.5 u + 5 = 1 u + 16
1.5 u - 1 u = 16 - 5
0.5 u = 11

1 u = 11 ÷ 0.5 = 22

Number of croissants that Winnie has
= 2 u - 16
= 2 x 22 - 16
= 44 - 16
= 28

Answer(s): 28