Diana, Gillian and Shiyun had a total of 301 stickers. Diana gave
16 of her stickers away. Shiyun gave away 2 times as many stickers as Diana and Gillian gave away 91 stickers. In the end, they had 198 stickers left. How many stickers did Gillian and Shiyun have in total in the end?
| |
Diana |
Gillian |
Shiyun |
Total |
| Before |
6 u |
? |
? |
301 |
| Change |
- 1 u |
- 91 |
- 2 u |
- 103 |
| After |
5 u |
? |
198 |
Number of stickers that Shiyun gave away
= 2 x 1 u
= 2 u
Number of stickers given away
= 1 u + 91 + 2 u
= 3 u + 91
3 u + 91 = 301 - 198
3 u = 103 - 91
3 u = 12
1 u = 12 ÷ 3 = 4
Number of stickers that Gillian and Shiyun had in the end
= 198 - 5 u
= 198 - 5 x 4
= 198 - 20
= 178
Answer(s): 178
