Gwen had an equal number of peaches and dragon fruits at first. She sold one-quarter of the dragon fruits and bought another 40 peaches. In the end, she had thrice as many peaches as dragon fruits. Find the number of dragon fruits she had at first.
| |
Dragon Fruits |
Peaches |
| Before |
4 u |
9 u - 40 |
| Change |
- 1 u |
+ 40 |
| After |
3 u |
9 u |
The number of peaches and dragon fruits at first is the same.
9 u - 40 = 4 u
9 u - 4 u = 40
5 u = 40
1 u = 40 ÷ 5 = 8
Number of dragon fruits that she had at first
= 4 u
= 4 x 8
= 32
Answer(s): 32
