512 of the runners in a marathon are Indonesians. 27 of the remaining runners are Egyptians, 35 of the rest of the runners are Filipinos, 51 are Mongolians and 23 are Chinese. How many more Indonesians than Chinese runners are there?
Indonesians |
Remaining runners |
5 u |
7 u |
|
Egyptians |
Rest of the runners |
|
2 u |
5 u |
|
|
Filipinos |
Mongolians |
Chinese |
|
|
3 u |
2 u |
|
|
|
51 |
23 |
Total number of Mongolians and Chinese
= 51 + 23
= 74
2 u = 74
1 u = 74 ÷ 2 = 37
Number of more Indonesians runners than Chinese runners
= 5 u - 23
= 5 x 37 - 23
= 185 - 23
= 162
Answer(s): 162