313 of the runners in a marathon are Greeks. 310 of the remaining runners are Italians, 17 of the rest of the runners are Filipinos, 69 are Indonesians and 15 are Indians. How many more Greeks than Indians runners are there?
| Greeks |
Remaining runners |
| 3 u |
10 u |
| |
Italians |
Rest of the runners |
| |
3 u |
7 u |
| |
|
Filipinos |
Indonesians |
Indians |
| |
|
1 u |
6 u |
| |
|
|
69 |
15 |
Total number of Indonesians and Indians
= 69 + 15
= 84
6 u = 84
1 u = 84 ÷ 6 = 14
Number of more Greeks runners than Indians runners
= 3 u - 15
= 3 x 14 - 15
= 42 - 15
= 27
Answer(s): 27
