A painter had 20 litres of paint. He used 3/4 of it to paint the walls and 1/5 of the remainder to paint the door. How many litres of paint were left?
Opening the drawing…
MathBrush is being tested with a few parent groups, and every solution on the site is open to them. If you were given a code, it goes in once and this device remembers it. 65 worked examples are free to everyone without one.