Betty had an equal number of apples and kiwis at first. She sold two-thirds of the kiwis and bought another 60 apples. In the end, she had five times as many apples as kiwis. Find the number of kiwis she had at first.
| |
Kiwis |
Apples |
| Before |
3 u |
5 u - 60 |
| Change |
- 2 u |
+ 60 |
| After |
1 u |
5 u |
The number of apples and kiwis at first is the same.
5 u - 60 = 3 u
5 u - 3 u = 60
2 u = 60
1 u = 60 ÷ 2 = 30
Number of kiwis that she had at first
= 3 u
= 3 x 30
= 90
Answer(s): 90
