Emma had an equal number of grapefruits and kiwis at first. She sold half of the kiwis and bought another 14 grapefruits. In the end, she had four times as many grapefruits as kiwis. Find the number of kiwis she had at first.
| |
Grapefruits |
Kiwis |
| Before |
4 u - 14 |
2 u |
| Change |
+ 14 |
- 1 u |
| After |
4 u |
1 u |
The number of grapefruits and kiwis at first is the same.
4 u - 14 = 2 u
4 u - 2 u = 14
2 u = 14
1 u = 14 ÷ 2 = 7
Number of kiwis that Emma had at first
= 2 u
= 2 x 7
= 14
Answer(s): 14
