The ratio of Elijah's money to Howard's money is 5 : 9. If Howard has $324, how much must he give to Elijah so both will have the equal amount of money?
| |
Elijah |
Howard |
Total |
| Before |
5 u |
9 u |
14 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
7 u |
7 u |
14 u |
Comparing Elijah and
Howard in the end |
1 |
1 |
|
Amount that Howard has at first = 9 u
9 u = 324
1 u = 324 ÷ 9 = 36
Total amount that Howard and Elijah have
= 5 u + 9 u
= 14 u
Amount that each of them will have in the end
= 14 u ÷ 2
= 7 u
Amount that Howard must give to Elijah
= 7 u - 5 u
= 2 u
= 2 x 36
= $72
Answer(s): $72
