311 of the runners in a marathon are Egyptians. 38 of the remaining runners are Indians, 15 of the rest of the runners are Japanese, 60 are Italians and 12 are Koreans. How many more Egyptians than Koreans runners are there?
| Egyptians |
Remaining runners |
| 3 u |
8 u |
| |
Indians |
Rest of the runners |
| |
3 u |
5 u |
| |
|
Japanese |
Italians |
Koreans |
| |
|
1 u |
4 u |
| |
|
|
60 |
12 |
Total number of Italians and Koreans
= 60 + 12
= 72
4 u = 72
1 u = 72 ÷ 4 = 18
Number of more Egyptians runners than Koreans runners
= 3 u - 12
= 3 x 18 - 12
= 54 - 12
= 42
Answer(s): 42
