Answer :
Each container weighs 35 pounds.
Apiece of toy car= 2 pounds, then 10 piece toy cars= 20 pounds.
Therefore 20 pounds of toy car + 15 pounds of container= 35 pounds.
Apiece of toy truck= 3 pounds, then 10 piece toy trucks= 30 pounds.
Therefore 30 pounds of toy truck + 5 pounds of container= 35 pounds.
Apiece of toy car= 2 pounds, then 10 piece toy cars= 20 pounds.
Therefore 20 pounds of toy car + 15 pounds of container= 35 pounds.
Apiece of toy truck= 3 pounds, then 10 piece toy trucks= 30 pounds.
Therefore 30 pounds of toy truck + 5 pounds of container= 35 pounds.