512 of the runners in a marathon are Mongolians. 47 of the remaining runners are Egyptians, 13 of the rest of the runners are Italians, 44 are Filipinos and 20 are Greeks. How many more Mongolians than Greeks runners are there?
| Mongolians |
Remaining runners |
| 5 u |
7 u |
| |
Egyptians |
Rest of the runners |
| |
4 u |
3 u |
| |
|
Italians |
Filipinos |
Greeks |
| |
|
1 u |
2 u |
| |
|
|
44 |
20 |
Total number of Filipinos and Greeks
= 44 + 20
= 64
2 u = 64
1 u = 64 ÷ 2 = 32
Number of more Mongolians runners than Greeks runners
= 5 u - 20
= 5 x 32 - 20
= 160 - 20
= 140
Answer(s): 140
