Apply the constraints

Exercise and reference answers

Matching pairs

1. Left

   P4h/Q6h parallel; R3h after both

   Right

   9 hours

2. Left

   Routes 11+8, 9+13, 10+6

   Right

   Shortest: 10+6

3. Left

   Capacity 45kg: 19kg + 27kg

   Right

   Exceeds by 1 kg

Instructions

Match each clue to its answer.