37 of the pupils go to school by bus.
14 of the remaining pupils go to school by train and
23 of the rest go by cycling to school. The remaining pupils go to school by car. The number of pupils who go to school by car is 278 fewer than those who go to school by bus. What is the enrolment of the school?
By bus |
Remaining pupils |
3 |
4 |
|
By train |
By cycling |
By car |
|
1 |
3 |
|
|
2 |
1 |
3 u |
1 u |
2 u |
1 u |
Number of more pupils who go by car than by bus
= 3 u - 1 u
= 2 u
2 u = 278
1 u = 278 ÷ 2 = 139
Total enrolment of the school
= 7 u
= 7 x 139
= 973
Answer(s): 973