Natalie, Jane and Emma had a total of 382 buttons. Natalie gave
35 of her buttons away. Emma gave away 5 times as many buttons as Natalie and Jane gave away 48 buttons. In the end, they had 154 buttons left. How many buttons did Jane and Emma have in total in the end?
|
Natalie |
Jane |
Emma |
Total |
Before |
5 u |
? |
? |
382 |
Change |
- 3 u |
- 48 |
- 15 u |
- 228 |
After |
2 u |
? |
154 |
Number of buttons that Emma gave away
= 5 x 3 u
= 15 u
Number of buttons given away
= 3 u + 48 + 15 u
= 18 u + 48
18 u + 48 = 382 - 154
18 u = 228 - 48
18 u = 180
1 u = 180 ÷ 18 = 10
Number of buttons that Jane and Emma had in the end
= 154 - 2 u
= 154 - 2 x 10
= 154 - 20
= 134
Answer(s): 134