Question

One student can paint a wall and 12 minutes another student can paint the same more than 24 minutes working together how long will it take for them to paint the wall

Answer 1

6 to paint wall
12 to paint the other half
18 minutes in total

Answer 2

It would take them 6 minutes to paint the wall and 12 to paint the other half : 18 minutes

Explanation:

Say that the student who can paint a wall in 12 minutes is painting half of the wall it would take them 6 minutes

As the other student who can paint the same wall in 24 minutes also paints half of a wall it would take that person 12 minutes.