Jack and Ethan share a bunch of chikoos in the ratio 10 : 7. If Jack gives Ethan 18 chikoos from his share, they will have the same number of chikoos. How many chikoos does Jack have at first?
|
Jack |
Ethan |
Before |
10 u |
7 u |
Change |
- 18 |
+ 18 |
After |
10 u - 18 |
7 u + 18 |
If Jack gives Ethan 18 chikoos from his share, they will have the same number of chikoos.
10 u - 18 = 7 u + 18
10 u - 7 u = 18 + 18
3 u = 36
1 u = 36 ÷ 3 = 12
Number of chikoos that Jack has
= 10 u
= 10 x 12
= 120
Answer(s): 120