Answer: 1440 more candles are left to load on the truck .
Step-by-step explanation:
Given: Number of cartons have been packed = 48
Number of cartons have been loaded on a truck. = 28
Number of cartons left = 48-28 = 20
Number of candles in each carton = 72
Number of candles left to load on the truck = 20 x 72
= 1440
Hence, 1440 more candles are left to load on the truck .