310 of the runners in a marathon are Vietnamese. 47 of the remaining runners are Indonesians, 13 of the rest of the runners are Chinese, 71 are Filipinos and 21 are Egyptians. How many more Vietnamese than Egyptians runners are there?
| Vietnamese |
Remaining runners |
| 3 u |
7 u |
| |
Indonesians |
Rest of the runners |
| |
4 u |
3 u |
| |
|
Chinese |
Filipinos |
Egyptians |
| |
|
1 u |
2 u |
| |
|
|
71 |
21 |
Total number of Filipinos and Egyptians
= 71 + 21
= 92
2 u = 92
1 u = 92 ÷ 2 = 46
Number of more Vietnamese runners than Egyptians runners
= 3 u - 21
= 3 x 46 - 21
= 138 - 21
= 117
Answer(s): 117
