At a stall, the ratio of tomatoes to dates was 7 : 10. After Nora bought three-fifths of the dates, there was a total of 132 tomatoes and dates left at the stall. How many fruits were there at first?
| |
Tomatoes |
Dates |
Total |
Comparing tomatoes
and dates at first |
7x1 =
7 u |
10x1 =
10 u |
17 u |
Before |
|
5x2 =
10 u |
|
Change |
|
- 3x2 =
- 6 u |
|
After |
7 u |
2x2 =
4 u |
132 |
The number of dates at first is repeated. Make the number of dates at first the same. LCM of 10 and 5 is 10.
Total number of fruits left
= 7 u + 4 u
= 11 u
11 u = 132
1 u = 132 ÷ 11 = 12
Number of fruits at first
= 7 u + 10 u
= 17 u
= 17 x 12
= 204
Answer(s): 204
