Ivory had an equal number of limes and apples at first. She sold one-quarter of the apples and bought another 72 limes. In the end, she had twice as many limes as apples. Find the number of apples she had at first.
| |
Apples |
Limes |
| Before |
4 u |
6 u - 72 |
| Change |
- 1 u |
+ 72 |
| After |
3 u |
6 u |
The number of limes and apples at first is the same.
6 u - 72 = 4 u
6 u - 4 u = 72
2 u = 72
1 u = 72 ÷ 2 = 36
Number of apples that she had at first
= 4 u
= 4 x 36
= 144
Answer(s): 144
