1 lb = 16 oz
1.) 21 x 16, which is 336.
3.) 8.75 x 16, which is 140.
2.) 1 ton = 2,000 pounds.
8 x 2,000 = 16,000 pounds.
4.) 4.375 x 16 = 70 pounds.
5.) 6 x 2,000 = 12,000 pounds.
6.) 6.5 x 16 = 104 ounces.
7.) 1 ton = 2,000 pounds, 2 = 4,000 pounds, 3=6,000 pounds, 4=8,000 pounds, 5=10,000 pounds.
8.) 1 lb = 16 oz, 2 lb = 32 oz, 3 lb = 48 oz, 4lb=64 oz, 5lb=80 lb.
Hope this helps! :)