The ratio of Howard's money to Tim's money is 7 : 13. If Tim has $481, how much must he give to Howard so both will have the equal amount of money?
| |
Howard |
Tim |
Total |
| Before |
7 u |
13 u |
20 u |
| Change |
+ 3 u |
- 3 u |
|
| After |
10 u |
10 u |
20 u |
Comparing Howard and
Tim in the end |
1 |
1 |
|
Amount that Tim has at first = 13 u
13 u = 481
1 u = 481 ÷ 13 = 37
Total amount that Tim and Howard have
= 7 u + 13 u
= 20 u
Amount that each of them will have in the end
= 20 u ÷ 2
= 10 u
Amount that Tim must give to Howard
= 10 u - 7 u
= 3 u
= 3 x 37
= $111
Answer(s): $111
