At a shop, the ratio of limes to oranges was 6 : 11. After Anna bought three-fifths of the oranges, there was a total of 624 limes and oranges left at the shop. How many fruits were there at first?
| |
Limes |
Oranges |
Total |
Comparing limes
and oranges at first |
6x5 =
30 u |
11x5 =
55 u |
85 u |
Before |
|
5x11 =
55 u |
|
Change |
|
- 3x11 =
- 33 u |
|
After |
30 u |
2x11 =
22 u |
624 |
The number of oranges at first is repeated. Make the number of oranges at first the same. LCM of 11 and 5 is 55.
Total number of fruits left
= 30 u + 22 u
= 52 u
52 u = 624
1 u = 624 ÷ 52 = 12
Number of fruits at first
= 30 u + 55 u
= 85 u
= 85 x 12
= 1020
Answer(s): 1020
