Sean and Zeph share a bunch of chikoos in the ratio 5 : 2. If Sean gives Zeph 21 chikoos from his share, they will have the same number of chikoos. How many chikoos does Sean have at first?
| |
Sean |
Zeph |
| Before |
5 u |
2 u |
| Change |
- 21 |
+ 21 |
| After |
5 u - 21 |
2 u + 21 |
If Sean gives Zeph 21 chikoos from his share, they will have the same number of chikoos.
5 u - 21 = 2 u + 21
5 u - 2 u = 21 + 21
3 u = 42
1 u = 42 ÷ 3 = 14
Number of chikoos that Sean has
= 5 u
= 5 x 14
= 70
Answer(s): 70
