Marion, Julie and Vanessa had a total of 269 buttons. Marion gave
29 of her buttons away. Vanessa gave away 3 times as many buttons as Marion and Julie gave away 31 buttons. In the end, they had 198 buttons left. How many buttons did Julie and Vanessa have in total in the end?
|
Marion |
Julie |
Vanessa |
Total |
Before |
9 u |
? |
? |
269 |
Change |
- 2 u |
- 31 |
- 6 u |
- 71 |
After |
7 u |
? |
198 |
Number of buttons that Vanessa gave away
= 3 x 2 u
= 6 u
Number of buttons given away
= 2 u + 31 + 6 u
= 8 u + 31
8 u + 31 = 269 - 198
8 u = 71 - 31
8 u = 40
1 u = 40 ÷ 8 = 5
Number of buttons that Julie and Vanessa had in the end
= 198 - 7 u
= 198 - 7 x 5
= 198 - 35
= 163
Answer(s): 163