There were 90 pomegranates and starfruits in a stall at first. After
16 of the pomegranates and
12 of the starfruits were sold, there were a total of 65 pomegranates and starfruits now. How many pomegranates were there at first?
|
Pomegranates |
Starfruits |
Total |
Before |
6 u |
2 p |
90 |
Change |
- 1 u |
- 1 p |
- 25 |
After |
5 u |
1 p |
65 |
Total number of pomegranates and starfruits sold
= 90 - 65
= 25
5 u + 1 p = 65
1 p = 65 - 5 u --- (1)
1 u + 1 p = 25
1 p = 25 - 1 u --- (2)
(2) = (1)
25 - 1 u = 65 - 5 u
5 u - 1 u = 65 - 25
4 u = 40
1 u = 40 ÷ 4 = 10
Number of pomegranates at first
= 6 u
= 6 x 10
= 60
Answer(s): 60