The ratio of Daniel's money to Ryan's money is 1 : 7. If Ryan has $98, how much must he give to Daniel so both will have the equal amount of money?
| |
Daniel |
Ryan |
Total |
| Before |
1 u |
7 u |
8 u |
| Change |
+ 3 u |
- 3 u |
|
| After |
4 u |
4 u |
8 u |
Comparing Daniel and
Ryan in the end |
1 |
1 |
|
Amount that Ryan has at first = 7 u
7 u = 98
1 u = 98 ÷ 7 = 14
Total amount that Ryan and Daniel have
= 1 u + 7 u
= 8 u
Amount that each of them will have in the end
= 8 u ÷ 2
= 4 u
Amount that Ryan must give to Daniel
= 4 u - 1 u
= 3 u
= 3 x 14
= $42
Answer(s): $42
