AoPS: Rectangle Shaded

Screen Shot 2021-01-27 at 22.15.17.png

What fraction of this rectangle is shaded?

@Cshearer41

Education, Maths, Maths Challenge, Maths Problem Solving, Puzzle For The Day, School, Word Problems, AoPS, Art of Problem SolvingSarah NorrisLando EducationAoPS, Art of Problem Solving, maths problem of the day, maths, Maths challnege, maths puzzles, mathematical puzzles, maths homework, mathematics, maths challenge, UK Maths Trust, school, UKMT, UKMT JMC, UKMT IMC, UKMT SMT, UKMT Olympiad, Olympiad, maths olympiad, maths training, Lando, Lando Education, tutoring, fraction, rectangle shaded, @Cshearer41Comment