The ratio of George's money to Oscar's money is 3 : 11. If Oscar has $407, how much must he give to George so both will have the equal amount of money?
| |
George |
Oscar |
Total |
| Before |
3 u |
11 u |
14 u |
| Change |
+ 4 u |
- 4 u |
|
| After |
7 u |
7 u |
14 u |
Comparing George and
Oscar in the end |
1 |
1 |
|
Amount that Oscar has at first = 11 u
11 u = 407
1 u = 407 ÷ 11 = 37
Total amount that Oscar and George have
= 3 u + 11 u
= 14 u
Amount that each of them will have in the end
= 14 u ÷ 2
= 7 u
Amount that Oscar must give to George
= 7 u - 3 u
= 4 u
= 4 x 37
= $148
Answer(s): $148
