Question 360661
A water tank that holds 60 L of water can be emptied in 24 min. How long will it take to empty a water tank that holds 280 L of water?

.
That's
24 minutes per 60 L
so
24/60 * 280 
= 6720/60
= 672/6
= 112 minutes
or
1 hour and 52 minutes