The ratio of Mark's money to Cole's money is 3 : 13. If Cole has $377, how much must he give to Mark so both will have the equal amount of money?
| |
Mark |
Cole |
Total |
| Before |
3 u |
13 u |
16 u |
| Change |
+ 5 u |
- 5 u |
|
| After |
8 u |
8 u |
16 u |
Comparing Mark and
Cole in the end |
1 |
1 |
|
Amount that Cole has at first = 13 u
13 u = 377
1 u = 377 ÷ 13 = 29
Total amount that Cole and Mark have
= 3 u + 13 u
= 16 u
Amount that each of them will have in the end
= 16 u ÷ 2
= 8 u
Amount that Cole must give to Mark
= 8 u - 3 u
= 5 u
= 5 x 29
= $145
Answer(s): $145
