310 of the runners in a marathon are Egyptians. 27 of the remaining runners are Mongolians, 35 of the rest of the runners are Italians, 78 are Greeks and 24 are Filipinos. How many more Egyptians than Filipinos runners are there?
Egyptians |
Remaining runners |
3 u |
7 u |
|
Mongolians |
Rest of the runners |
|
2 u |
5 u |
|
|
Italians |
Greeks |
Filipinos |
|
|
3 u |
2 u |
|
|
|
78 |
24 |
Total number of Greeks and Filipinos
= 78 + 24
= 102
2 u = 102
1 u = 102 ÷ 2 = 51
Number of more Egyptians runners than Filipinos runners
= 3 u - 24
= 3 x 51 - 24
= 153 - 24
= 129
Answer(s): 129