38 of the pupils go to school by bus.
15 of the remaining pupils go to school by walking and
34 of the rest go by car to school. The remaining pupils go to school by cycling. The number of pupils who go to school by cycling is 220 fewer than those who go to school by bus. What is the enrolment of the school?
By bus |
Remaining pupils |
3 |
5 |
|
By walking |
By car |
By cycling |
|
1 |
4 |
|
|
3 |
1 |
3 u |
1 u |
3 u |
1 u |
Number of more pupils who go by cycling than by bus
= 3 u - 1 u
= 2 u
2 u = 220
1 u = 220 ÷ 2 = 110
Total enrolment of the school
= 8 u
= 8 x 110
= 880
Answer(s): 880