310 of the runners in a marathon are Egyptians. 27 of the remaining runners are Vietnamese, 25 of the rest of the runners are Greeks, 63 are Koreans and 12 are Filipinos. How many more Egyptians than Filipinos runners are there?
Egyptians |
Remaining runners |
3 u |
7 u |
|
Vietnamese |
Rest of the runners |
|
2 u |
5 u |
|
|
Greeks |
Koreans |
Filipinos |
|
|
2 u |
3 u |
|
|
|
63 |
12 |
Total number of Koreans and Filipinos
= 63 + 12
= 75
3 u = 75
1 u = 75 ÷ 3 = 25
Number of more Egyptians runners than Filipinos runners
= 3 u - 12
= 3 x 25 - 12
= 75 - 12
= 63
Answer(s): 63