49 of the pupils go to school by car.
15 of the remaining pupils go to school by cycling and
14 of the rest go by train to school. The remaining pupils go to school by bus. The number of pupils who go to school by bus is 135 fewer than those who go to school by car. What is the enrolment of the school?
By car |
Remaining pupils |
4 |
5 |
|
By cycling |
By train |
By bus |
|
1 |
4 |
|
|
1 |
3 |
4 u |
1 u |
1 u |
3 u |
Number of more pupils who go by bus than by car
= 4 u - 1 u
= 3 u
3 u = 135
1 u = 135 ÷ 3 = 45
Total enrolment of the school
= 9 u
= 9 x 45
= 405
Answer(s): 405