At a stall, the ratio of limes to oranges was 5 : 11. After Esther bought three-quarters of the oranges, there was a total of 248 limes and oranges left at the stall. How many fruits were there at first?
| |
Limes |
Oranges |
Total |
Comparing limes
and oranges at first |
5x4 =
20 u |
11x4 =
44 u |
64 u |
Before |
|
4x11 =
44 u |
|
Change |
|
- 3x11 =
- 33 u |
|
After |
20 u |
1x11 =
11 u |
248 |
The number of oranges at first is repeated. Make the number of oranges at first the same. LCM of 11 and 4 is 44.
Total number of fruits left
= 20 u + 11 u
= 31 u
31 u = 248
1 u = 248 ÷ 31 = 8
Number of fruits at first
= 20 u + 44 u
= 64 u
= 64 x 8
= 512
Answer(s): 512
