PSLEA grocer had an equal number of grapefruits, passion fruits and pears at first. After 60 pears, some grapefruits and passion fruits were sold, there were 141 fruits left. There were 4 times as many grapefruits as passion fruits left. The number of pears left was 21 less than the number of grapefruits left. How many passion fruits were sold?
|
Grapefruits |
Passion Fruits |
Pears |
Total |
Before |
1 |
1 |
1 |
|
Change |
- ? |
- ? |
- 60 |
|
After |
4 u |
1 u |
4 u - 21 |
141 |
Total number of fruits in the end
= 4 u + 1 u + 4 u - 21
= 9 u - 21
9 u - 21 = 141
9 u = 141 + 21
9 u = 162
1 u = 162 ÷ 9 = 18
Number of pears at first
= 4 u - 21 + 60
= 4 x 18 + 39
= 111
The number of pears and passion fruits at first is the same.
Number of passion fruits sold
= 111 - 18
= 93
Answer(s): 93