Irene had an equal number of passion fruits and pears at first. She sold one-sixth of the pears and bought another 18 passion fruits. In the end, she had thrice as many passion fruits as pears. Find the number of pears she had at first.
| |
Passion Fruits |
Pears |
| Before |
15 u - 18 |
6 u |
| Change |
+ 18 |
- 1 u |
| After |
15 u |
5 u |
The number of passion fruits and pears at first is the same.
15 u - 18 = 6 u
15 u - 6 u = 18
9 u = 18
1 u = 18 ÷ 9 = 2
Number of pears that Irene had at first
= 6 u
= 6 x 2
= 12
Answer(s): 12
