Usha had an equal number of dragon fruits and limes at first. She sold half of the limes and bought another 48 dragon fruits. In the end, she had four times as many dragon fruits as limes. Find the number of limes she had at first.
| |
Limes |
Dragon Fruits |
| Before |
2 u |
4 u - 48 |
| Change |
- 1 u |
+ 48 |
| After |
1 u |
4 u |
The number of dragon fruits and limes at first is the same.
4 u - 48 = 2 u
4 u - 2 u = 48
2 u = 48
1 u = 48 ÷ 2 = 24
Number of limes that she had at first
= 2 u
= 2 x 24
= 48
Answer(s): 48
