Question

Jennilina's hobby is to paint the rooms at her college. At top speed, she could paint $5$ identical rooms during one $6$-hour shift. Find the time it took her to paint each room.

• A. $50$ minutes
• B. $1$ hour and $10$ minutes
• C. $1$ hour and $12$ minutes
• D. $1$ hour and $15$ minutes
• E. $1$ hour and $20$ minutes

Answer 1

The correct option is C $1$ hour and $12$ minutes

There are $60$ minuet in $1$ hour

So in $6$ hours there are $=$ $6\times 60=360$ minutes

So Jennilina takes $360$ minutes to paint $5$ rooms.

So she paint one room in $=$ $\frac{360}{5}=72$ minutes.

$72$ minutes is equal to $1$ hour and $12$ minutes.