Answer:
30 minutes or 1/2 of an hour
Explanation:
It takes 15 minutes to paint 1/2 of a wall. To find out how many minutes it will take to paint an entire wall, we multiply by two
1/2 x 2 = 1
15 x 2 = 30
It will take you 1/2 of an hour or 30 minutes to paint an entire wall
I Hope That This Helps! :)