512 of the runners in a marathon are Chinese. 27 of the remaining runners are Filipinos, 15 of the rest of the runners are Koreans, 63 are Egyptians and 25 are Vietnamese. How many more Chinese than Vietnamese runners are there?
| Chinese |
Remaining runners |
| 5 u |
7 u |
| |
Filipinos |
Rest of the runners |
| |
2 u |
5 u |
| |
|
Koreans |
Egyptians |
Vietnamese |
| |
|
1 u |
4 u |
| |
|
|
63 |
25 |
Total number of Egyptians and Vietnamese
= 63 + 25
= 88
4 u = 88
1 u = 88 ÷ 4 = 22
Number of more Chinese runners than Vietnamese runners
= 5 u - 25
= 5 x 22 - 25
= 110 - 25
= 85
Answer(s): 85
