310 of the runners in a marathon are Mongolians. 27 of the remaining runners are Vietnamese, 35 of the rest of the runners are Japanese, 56 are Koreans and 36 are Egyptians. How many more Mongolians than Egyptians runners are there?
| Mongolians |
Remaining runners |
| 3 u |
7 u |
| |
Vietnamese |
Rest of the runners |
| |
2 u |
5 u |
| |
|
Japanese |
Koreans |
Egyptians |
| |
|
3 u |
2 u |
| |
|
|
56 |
36 |
Total number of Koreans and Egyptians
= 56 + 36
= 92
2 u = 92
1 u = 92 ÷ 2 = 46
Number of more Mongolians runners than Egyptians runners
= 3 u - 36
= 3 x 46 - 36
= 138 - 36
= 102
Answer(s): 102
