Hi there!
1 lb = 16oz
1ton = 1000lb
1oz = 0.0625lb
It can't be A because if you multiply 16 by 4, you get 64.
It can't be B, because it goes by * 3 rule.
It can be C, because 108oz = 6.75lb, not 8 lb.
It can't be D, because 10,000 = 5 tons.
So, your answer is C.
Hope this helps!! ☺♥
