Min had an equal number of peaches and oranges at first. She sold half of the oranges and bought another 68 peaches. In the end, she had four times as many peaches as oranges. Find the number of oranges she had at first.
| |
Oranges |
Peaches |
| Before |
2 u |
4 u - 68 |
| Change |
- 1 u |
+ 68 |
| After |
1 u |
4 u |
The number of peaches and oranges at first is the same.
4 u - 68 = 2 u
4 u - 2 u = 68
2 u = 68
1 u = 68 ÷ 2 = 34
Number of oranges that she had at first
= 2 u
= 2 x 34
= 68
Answer(s): 68
