No. of boxes in a tempo =482
Weight of each box =15 kg
∴ Weight of boxes in tempo =482×15
=7230 kg
No, of boxes in a van =518
Weight of each box =15 kg
Weight of boxes in the van =518 ×15
=7770 kg
∴ Total weight carried by both vehicles
=7230 kg +7770 kg =15000 kg