Linda had an equal number of oranges and guavas at first. She sold half of the guavas and bought another 72 oranges. In the end, she had five times as many oranges as guavas. Find the number of guavas she had at first.
| |
Guavas |
Oranges |
| Before |
2 u |
5 u - 72 |
| Change |
- 1 u |
+ 72 |
| After |
1 u |
5 u |
The number of oranges and guavas at first is the same.
5 u - 72 = 2 u
5 u - 2 u = 72
3 u = 72
1 u = 72 ÷ 3 = 24
Number of guavas that she had at first
= 2 u
= 2 x 24
= 48
Answer(s): 48
