[tex]\bf \stackrel{distance}{d}~~=~~\stackrel{rate}{r}\cdot \stackrel{time}{t} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{kilometers}{k}~~=~~\stackrel{rate, km/h}{8}\cdot \stackrel{time, hours}{d}~\hfill \stackrel{km s~travelled~in~ d = 3~ hours}{k=8(3)\implies k = 24}[/tex]
