The two way table gives information about how 100 students travelled to school.
| Walk | Car | Other | Total | |
|---|---|---|---|---|
| Boys | 15 | 52 | ||
| Girls | 22 | 8 | ||
| Total | 19 | 100 |
Complete the two way table.
One of the students is picked at random. Write down the probability they walk to school.
