Question

There were 409 students in school. After some of them graduated, there were 172 students left. How many students graduated ?

Answer 1

237 students graduated

Explanation:

Subtract 172 from 409, obtaining 237.

237 students graduated

Answer 2

The number of graduates is 237

Explanation:

Student in school = 409

non-graduate = 172

Graduate = Student in school - non-graduate

= 409 - 172

= 237