Jen had an equal number of starfruits and pomegranates at first. She sold one-third of the pomegranates and bought another 20 starfruits. In the end, she had four times as many starfruits as pomegranates. Find the number of pomegranates she had at first.
| |
Starfruits |
Pomegranates |
| Before |
8 u - 20 |
3 u |
| Change |
+ 20 |
- 1 u |
| After |
8 u |
2 u |
The number of starfruits and pomegranates at first is the same.
8 u - 20 = 3 u
8 u - 3 u = 20
5 u = 20
1 u = 20 ÷ 5 = 4
Number of pomegranates that Jen had at first
= 3 u
= 3 x 4
= 12
Answer(s): 12
