The ratio of mangoes to mangosteens is 2 : 7. If 10 mangosteens are added, the ratio of mangoes to mangosteens will be 2 : 9. How many more mangosteens than mangoes are there in the end?
| |
Mangoes |
Mangosteens |
| Before |
2 u |
7 u |
| Change |
|
+ 10 |
| After |
2 u |
9 u |
The number of mangoes at first and in the end remains unchanged.
Number of mangosteens added
= 9 u - 7 u
= 2 u
2 u = 10
1 u = 10 ÷ 2 = 5
Number of more mangosteens than mangoes in the end
= 9 u - 2 u
= 7 u
= 7 x 5
= 35
Answer(s): 35
