PSLEA store owner had the same number of chikoos, starfruits and kiwis at first. After 50 kiwis, some chikoos and starfruits were sold, there were 144 fruits left. There were 2 times as many chikoos as starfruits left. The number of kiwis left was 31 fewer than the number of chikoos left. How many starfruits were sold?
|
Chikoos |
Starfruits |
Kiwis |
Total |
Before |
1 |
1 |
1 |
|
Change |
- ? |
- ? |
- 50 |
|
After |
2 u |
1 u |
2 u - 31 |
144 |
Total number of fruits in the end
= 2 u + 1 u + 2 u - 31
= 5 u - 31
5 u - 31 = 144
5 u = 144 + 31
5 u = 175
1 u = 175 ÷ 5 = 35
Number of kiwis at first
= 2 u - 31 + 50
= 2 x 35 + 19
= 89
The number of kiwis and starfruits at first is the same.
Number of starfruits sold
= 89 - 35
= 54
Answer(s): 54