A fruit seller had starfruits and mangosteens. The ratio of starfruits to mangosteens was 2 : 11. After
35 of the starfruits and 188 mangosteens were sold, there were 2 times as many starfruits as mangosteens left. How many starfruits and mangosteens were there at first?
|
Starfruits |
Mangosteens |
Total |
Before |
2 u |
11 u |
13 u |
Change |
- 1.2 u |
- 188 |
|
After |
0.8 u |
1.6 u |
|
Number of starfruits sold
=
35 x 2 u
= 1.2 u
Number of starfruits left
= 2 u - 1.2 u
= 0.8 u
Number of mangosteens left
= 2 x 0.8 u
= 1.6 u
Number of mangosteens sold
= 11 u - 1.6 u
= 9.4 u
9.4 u = 188
1 u = 188 ÷ 9.4 = 20
Number of starfruits and mangosteens at first
= 2 u + 11 u
= 13 u
= 13 x 20
= 260
Answer(s): 260