Problem: how long does a truck of 200 m long traveling at 60 kmph takes to cross a bridge of 180 m in length ?
Rationale: d = 200 + 180 = 380 m s = 60 * 5 / 18 = 50 / 3 t = 380 * 3 / 50 = 22.8 sec answer : c
annotated_formula: divide(add(200, 180), multiply(60, const_0_2778))