Asalvage yard sales 2tons of iron and 1 ton of aluminum recycling plant how many pounds of iron and aluminum does the salvage yard sell

1 ton= 2000lbs (pounds)

(2 tons Iron + 1 ton Aluminum) *2000 lbs per a ton=  4000 lbs of iron + 2000 lbs of Aluminum= In total, the salvage yard sells 6000 lbs of material.

4,000 pounds of iron and 2,000 pounds of Aluminum are sold from the Salvage yard.