If there are 4 trucks then the first truck weighs x then x+2tons then x+4tons then x+6tons = 32tons so 4x+12=32 -12 -12 /4 /4 x=5 so plug it back in truck 1= 5tons or 10,000lbs truck 2= 7tons or 14,000lbs truck 3= 9tons or 18,000lbs truck 4= 11tons or 22,000lbs
