A fruit seller had kiwis and mangosteens. The ratio of kiwis to mangosteens was 2 : 9. After
45 of the kiwis and 148 mangosteens were sold, there were 4 times as many kiwis as mangosteens left. How many kiwis and mangosteens were there at first?
|
Kiwis |
Mangosteens |
Total |
Before |
2 u |
9 u |
11 u |
Change |
- 1.6 u |
- 148 |
|
After |
0.4 u |
1.6 u |
|
Number of kiwis sold
=
45 x 2 u
= 1.6 u
Number of kiwis left
= 2 u - 1.6 u
= 0.4 u
Number of mangosteens left
= 4 x 0.4 u
= 1.6 u
Number of mangosteens sold
= 9 u - 1.6 u
= 7.4 u
7.4 u = 148
1 u = 148 ÷ 7.4 = 20
Number of kiwis and mangosteens at first
= 2 u + 9 u
= 11 u
= 11 x 20
= 220
Answer(s): 220