512 of the runners in a marathon are Egyptians. 27 of the remaining runners are Chinese, 35 of the rest of the runners are Koreans, 56 are Italians and 18 are Greeks. How many more Egyptians than Greeks runners are there?
| Egyptians |
Remaining runners |
| 5 u |
7 u |
| |
Chinese |
Rest of the runners |
| |
2 u |
5 u |
| |
|
Koreans |
Italians |
Greeks |
| |
|
3 u |
2 u |
| |
|
|
56 |
18 |
Total number of Italians and Greeks
= 56 + 18
= 74
2 u = 74
1 u = 74 ÷ 2 = 37
Number of more Egyptians runners than Greeks runners
= 5 u - 18
= 5 x 37 - 18
= 185 - 18
= 167
Answer(s): 167
