A fruit seller had starfruits and mangoes. The ratio of starfruits to mangoes was 3 : 8. After
35 of the starfruits and 16 mangoes were sold, there were 4 times as many starfruits as mangoes left. How many starfruits and mangoes were there at first?
| |
Starfruits |
Mangoes |
Total |
| Before |
3 u |
8 u |
11 u |
| Change |
- 1.8 u |
- 16 |
|
| After |
1.2 u |
4.8 u |
|
Number of starfruits sold
=
35 x 3 u
= 1.8 u
Number of starfruits left
= 3 u - 1.8 u
= 1.2 u
Number of mangoes left
= 4 x 1.2 u
= 4.8 u
Number of mangoes sold
= 8 u - 4.8 u
= 3.2 u
3.2 u = 16
1 u = 16 ÷ 3.2 = 5
Number of starfruits and mangoes at first
= 3 u + 8 u
= 11 u
= 11 x 5
= 55
Answer(s): 55
