Answer:
4 Small Cans of Paint
Explanation:
1/5 of the small can fills 1/4 of the paint sprayer.
That means we need to fill 3/4 of the can to completely fill it up.
We would need a total of 4 1/5ths to fill up the sprayer.
So one of the equations you could use is :
×4
Which is also-
+
+
+

The answer to that would be
liters. So you would need a total of 4 small paint cans to fill up the sprayer.
Hope this Helps! :)