310 of the runners in a marathon are Greeks. 37 of the remaining runners are Chinese, 14 of the rest of the runners are Egyptians, 40 are Italians and 32 are Mongolians. How many more Greeks than Mongolians runners are there?
| Greeks |
Remaining runners |
| 3 u |
7 u |
| |
Chinese |
Rest of the runners |
| |
3 u |
4 u |
| |
|
Egyptians |
Italians |
Mongolians |
| |
|
1 u |
3 u |
| |
|
|
40 |
32 |
Total number of Italians and Mongolians
= 40 + 32
= 72
3 u = 72
1 u = 72 ÷ 3 = 24
Number of more Greeks runners than Mongolians runners
= 3 u - 32
= 3 x 24 - 32
= 72 - 32
= 40
Answer(s): 40
