The ratio of Brandon's money to Seth's money is 7 : 15. If Seth has $330, how much must he give to Brandon so both will have the equal amount of money?
| |
Brandon |
Seth |
Total |
| Before |
7 u |
15 u |
22 u |
| Change |
+ 4 u |
- 4 u |
|
| After |
11 u |
11 u |
22 u |
Comparing Brandon and
Seth in the end |
1 |
1 |
|
Amount that Seth has at first = 15 u
15 u = 330
1 u = 330 ÷ 15 = 22
Total amount that Seth and Brandon have
= 7 u + 15 u
= 22 u
Amount that each of them will have in the end
= 22 u ÷ 2
= 11 u
Amount that Seth must give to Brandon
= 11 u - 7 u
= 4 u
= 4 x 22
= $88
Answer(s): $88
