Gwen, Tiffany and Shannon have 225 stickers. Gwen has
45 as many stickers as Tiffany. Shannon's stickers is
14 of the total number of Gwen's and Tiffany's stickers. How many stickers must Tiffany give to Shannon so that both Gwen and Shannon will have the same number of stickers?
Gwen |
Tiffany |
Shannon |
Total |
4x9 = 36 u |
1x9 = 9 u |
|
4x4 = 16 u |
5x4 = 20 u |
|
|
16 u |
20 u |
9 u |
225 |
Total number of stickers
= 16 u + 20 u + 9 u
= 45 u
45 u = 225
1 u = 225 ÷ 45 = 5
Gwen |
Tiffany |
Shannon |
Total |
16 u |
20 u |
9 u |
225 |
|
- 7 u |
+ 7 u |
|
16 u |
13 u |
16 u |
225 |
Number of stickers that Tiffany must give to Shannon
= 16 u - 9 u
= 7 u
= 7 x 5
= 35
Answer(s): 35