Sabrina had an equal number of oranges and plums at first. She sold one-quarter of the plums and bought another 94 oranges. In the end, she had twice as many oranges as plums. Find the number of plums she had at first.
| |
Plums |
Oranges |
| Before |
4 u |
6 u - 94 |
| Change |
- 1 u |
+ 94 |
| After |
3 u |
6 u |
The number of oranges and plums at first is the same.
6 u - 94 = 4 u
6 u - 4 u = 94
2 u = 94
1 u = 94 ÷ 2 = 47
Number of plums that she had at first
= 4 u
= 4 x 47
= 188
Answer(s): 188
