The ratio of Daniel's money to Tim's money is 9 : 13. If Tim has $195, how much must he give to Daniel so both will have the equal amount of money?
| |
Daniel |
Tim |
Total |
| Before |
9 u |
13 u |
22 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
11 u |
11 u |
22 u |
Comparing Daniel and
Tim in the end |
1 |
1 |
|
Amount that Tim has at first = 13 u
13 u = 195
1 u = 195 ÷ 13 = 15
Total amount that Tim and Daniel have
= 9 u + 13 u
= 22 u
Amount that each of them will have in the end
= 22 u ÷ 2
= 11 u
Amount that Tim must give to Daniel
= 11 u - 9 u
= 2 u
= 2 x 15
= $30
Answer(s): $30
