A worker lifts 24 bricks, each of mass 2.2 kg, onto a platform 3.5 m above the ground…

Lifting at a steady speed needs a force equal to the weight $mg$, so $W = mgh$ with $g = 9.8\ \text{m/s}^2$. Only the height counts, not the path. Pulling along level ground at a steady speed: $W = f \times s$, with $f$ the friction force.