Shannon, Zara and Yoko have 378 stickers. Shannon has
34 as many stickers as Zara. Yoko's stickers is
15 of the total number of Shannon's and Zara's stickers. How many stickers must Zara give to Yoko so that both Shannon and Yoko will have the same number of stickers?
Shannon |
Zara |
Yoko |
Total |
5x7 = 35 u |
1x7 = 7 u |
|
3x5 = 15 u |
4x5 = 20 u |
|
|
15 u |
20 u |
7 u |
378 |
Total number of stickers
= 15 u + 20 u + 7 u
= 42 u
42 u = 378
1 u = 378 ÷ 42 = 9
Shannon |
Zara |
Yoko |
Total |
15 u |
20 u |
7 u |
378 |
|
- 8 u |
+ 8 u |
|
15 u |
12 u |
15 u |
378 |
Number of stickers that Zara must give to Yoko
= 15 u - 7 u
= 8 u
= 8 x 9
= 72
Answer(s): 72