Question

if 12 man can load 4 lorries in 2 hours , find the rate of loading in lorries per men hour?

Answer 1

\[24\div 6\]

Answer 2

12 men can load 4 lorries in 2 hours
so
1 man can load \(\frac{4}{12}\) lorries in 2 hours
in 1 hour one man will load \[\huge{\frac{4}{12}\times \frac{1}{2}=\frac{4}{24}=\frac{1}{6} lorries\ per\ men\ per\ hour}\]