512 of the runners in a marathon are Greeks. 27 of the remaining runners are Indians, 15 of the rest of the runners are Italians, 78 are Filipinos and 10 are Egyptians. How many more Greeks than Egyptians runners are there?
| Greeks |
Remaining runners |
| 5 u |
7 u |
| |
Indians |
Rest of the runners |
| |
2 u |
5 u |
| |
|
Italians |
Filipinos |
Egyptians |
| |
|
1 u |
4 u |
| |
|
|
78 |
10 |
Total number of Filipinos and Egyptians
= 78 + 10
= 88
4 u = 88
1 u = 88 ÷ 4 = 22
Number of more Greeks runners than Egyptians runners
= 5 u - 10
= 5 x 22 - 10
= 110 - 10
= 100
Answer(s): 100
