Ryan and Cody share a bunch of mangosteens in the ratio 9 : 7. If Ryan gives Cody 13 mangosteens from his share, they will have the same number of mangosteens. How many mangosteens does Ryan have at first?
|
Ryan |
Cody |
Before |
9 u |
7 u |
Change |
- 13 |
+ 13 |
After |
9 u - 13 |
7 u + 13 |
If Ryan gives Cody 13 mangosteens from his share, they will have the same number of mangosteens.
9 u - 13 = 7 u + 13
9 u - 7 u = 13 + 13
2 u = 26
1 u = 26 ÷ 2 = 13
Number of mangosteens that Ryan has
= 9 u
= 9 x 13
= 117
Answer(s): 117