712 of the pupils go to school by cycling.
15 of the remaining pupils go to school by walking and
34 of the rest go by train to school. The remaining pupils go to school by car. The number of pupils who go to school by car is 138 fewer than those who go to school by cycling. What is the enrolment of the school?
By cycling |
Remaining pupils |
7 |
5 |
|
By walking |
By train |
By car |
|
1 |
4 |
|
|
3 |
1 |
7 u |
1 u |
3 u |
1 u |
Number of more pupils who go by car than by cycling
= 7 u - 1 u
= 6 u
6 u = 138
1 u = 138 ÷ 6 = 23
Total enrolment of the school
= 12 u
= 12 x 23
= 276
Answer(s): 276