At a stall, the ratio of limes to avocados was 5 : 9. After Kylie bought two-thirds of the avocados, there was a total of 72 limes and avocados left at the stall. How many fruits were there at first?
| |
Limes |
Avocados |
Total |
Comparing limes
and avocados at first |
5x1 =
5 u |
9x1 =
9 u |
14 u |
Before |
|
3x3 =
9 u |
|
Change |
|
- 2x3 =
- 6 u |
|
After |
5 u |
1x3 =
3 u |
72 |
The number of avocados at first is repeated. Make the number of avocados at first the same. LCM of 9 and 3 is 9.
Total number of fruits left
= 5 u + 3 u
= 8 u
8 u = 72
1 u = 72 ÷ 8 = 9
Number of fruits at first
= 5 u + 9 u
= 14 u
= 14 x 9
= 126
Answer(s): 126
