There were 158 passion fruits and starfruits in a stall at first. After
16 of the passion fruits and
12 of the starfruits were sold, there were a total of 119 passion fruits and starfruits now. How many passion fruits were there at first?
|
Passion Fruits |
Starfruits |
Total |
Before |
6 u |
2 p |
158 |
Change |
- 1 u |
- 1 p |
- 39 |
After |
5 u |
1 p |
119 |
Total number of passion fruits and starfruits sold
= 158 - 119
= 39
5 u + 1 p = 119
1 p = 119 - 5 u --- (1)
1 u + 1 p = 39
1 p = 39 - 1 u --- (2)
(2) = (1)
39 - 1 u = 119 - 5 u
5 u - 1 u = 119 - 39
4 u = 80
1 u = 80 ÷ 4 = 20
Number of passion fruits at first
= 6 u
= 6 x 20
= 120
Answer(s): 120