PSLEA fruit seller had the same number of starfruits, persimmons and kiwis at first. After 63 kiwis, some starfruits and persimmons were sold, there were 140 fruits left. There were 4 times as many starfruits as persimmons left. The number of kiwis left was 31 less than the number of starfruits left. How many persimmons were sold?
|
Starfruits |
Persimmons |
Kiwis |
Total |
Before |
1 |
1 |
1 |
|
Change |
- ? |
- ? |
- 63 |
|
After |
4 u |
1 u |
4 u - 31 |
140 |
Total number of fruits in the end
= 4 u + 1 u + 4 u - 31
= 9 u - 31
9 u - 31 = 140
9 u = 140 + 31
9 u = 171
1 u = 171 ÷ 9 = 19
Number of kiwis at first
= 4 u - 31 + 63
= 4 x 19 + 32
= 108
The number of kiwis and persimmons at first is the same.
Number of persimmons sold
= 108 - 19
= 89
Answer(s): 89