Elijah and Amelia had an equal number of sweets at first. After Elijah bought another 17 sweets and Amelia lost 11 sweets, Elijah had thrice as many sweets as Amelia. Find the number of sweets each of them had at first.
| |
Elijah |
Amelia |
| Before |
3 u - 17 |
1 u + 11 |
| Change |
+ 17 |
- 11 |
| After |
3 u |
1 u |
The number of sweets that Elijah and Amelia at first is the same.
3 u - 17 = 1 u + 11
3 u - 1 u = 11 + 17
2 u = 28
1 u = 28 ÷ 2 = 14
Number of sweets that each of them had at first
= 1 u + 11
= 14 + 11
= 25
Answer(s): 25
