512 of the runners in a marathon are Koreans. 27 of the remaining runners are Japanese, 25 of the rest of the runners are Mongolians, 64 are Greeks and 38 are Chinese. How many more Koreans than Chinese runners are there?
| Koreans |
Remaining runners |
| 5 u |
7 u |
| |
Japanese |
Rest of the runners |
| |
2 u |
5 u |
| |
|
Mongolians |
Greeks |
Chinese |
| |
|
2 u |
3 u |
| |
|
|
64 |
38 |
Total number of Greeks and Chinese
= 64 + 38
= 102
3 u = 102
1 u = 102 ÷ 3 = 34
Number of more Koreans runners than Chinese runners
= 5 u - 38
= 5 x 34 - 38
= 170 - 38
= 132
Answer(s): 132
