Question

Tyran takes 3/4 hour to paint a wall.his brother takes 1/3 of the time he takes. how long will his brother take to paint 5 similar walls?

Answer 1

3/4 of an hour is 45 minutes. His brother takes 1/3 of the time, 1/3 of 45 min is 15 min. 5*15=75 min or 1 + 15/60 = 1.25 hours