Shannon, Roshel and Nora had a total of 153 buttons. Shannon gave
14 of her buttons away. Nora gave away 4 times as many buttons as Shannon and Roshel gave away 22 buttons. In the end, they had 111 buttons left. How many buttons did Roshel and Nora have in total in the end?
| |
Shannon |
Roshel |
Nora |
Total |
| Before |
4 u |
? |
? |
153 |
| Change |
- 1 u |
- 22 |
- 4 u |
- 42 |
| After |
3 u |
? |
111 |
Number of buttons that Nora gave away
= 4 x 1 u
= 4 u
Number of buttons given away
= 1 u + 22 + 4 u
= 5 u + 22
5 u + 22 = 153 - 111
5 u = 42 - 22
5 u = 20
1 u = 20 ÷ 5 = 4
Number of buttons that Roshel and Nora had in the end
= 111 - 3 u
= 111 - 3 x 4
= 111 - 12
= 99
Answer(s): 99
