The ratio of Xavier's money to Michael's money is 3 : 13. If Michael has $351, how much must he give to Xavier so both will have the equal amount of money?
| |
Xavier |
Michael |
Total |
| Before |
3 u |
13 u |
16 u |
| Change |
+ 5 u |
- 5 u |
|
| After |
8 u |
8 u |
16 u |
Comparing Xavier and
Michael in the end |
1 |
1 |
|
Amount that Michael has at first = 13 u
13 u = 351
1 u = 351 ÷ 13 = 27
Total amount that Michael and Xavier have
= 3 u + 13 u
= 16 u
Amount that each of them will have in the end
= 16 u ÷ 2
= 8 u
Amount that Michael must give to Xavier
= 8 u - 3 u
= 5 u
= 5 x 27
= $135
Answer(s): $135
