At a shop, the ratio of apricots to oranges was 4 : 9. After Julie bought three-quarters of the oranges, there was a total of 125 apricots and oranges left at the shop. How many fruits were there at first?
| |
Apricots |
Oranges |
Total |
Comparing apricots
and oranges at first |
4x4 =
16 u |
9x4 =
36 u |
52 u |
Before |
|
4x9 =
36 u |
|
Change |
|
- 3x9 =
- 27 u |
|
After |
16 u |
1x9 =
9 u |
125 |
The number of oranges at first is repeated. Make the number of oranges at first the same. LCM of 9 and 4 is 36.
Total number of fruits left
= 16 u + 9 u
= 25 u
25 u = 125
1 u = 125 ÷ 25 = 5
Number of fruits at first
= 16 u + 36 u
= 52 u
= 52 x 5
= 260
Answer(s): 260
