311 of the runners in a marathon are Italians. 38 of the remaining runners are Vietnamese, 35 of the rest of the runners are Indonesians, 44 are Mongolians and 30 are Greeks. How many more Italians than Greeks runners are there?
| Italians |
Remaining runners |
| 3 u |
8 u |
| |
Vietnamese |
Rest of the runners |
| |
3 u |
5 u |
| |
|
Indonesians |
Mongolians |
Greeks |
| |
|
3 u |
2 u |
| |
|
|
44 |
30 |
Total number of Mongolians and Greeks
= 44 + 30
= 74
2 u = 74
1 u = 74 ÷ 2 = 37
Number of more Italians runners than Greeks runners
= 3 u - 30
= 3 x 37 - 30
= 111 - 30
= 81
Answer(s): 81
