Question

Tyron takes 3/4 hours to paint a wall. His brother takes 1/3 of the the time he takes.how long will his brother take to paint 5 similar walls

Answer 1

Find how long will he take for 1 similar walls (in hour)
1/3 × 3/4
= 3/12
= 1/4 hours

Find how long will he take for 5 similar walls
time for 1 wall × 5
= 1/4 × 5
= 5/4 hours