Dear Ms.Sue is the answer to 5lb.-13oz. 67oz. By the way your helping my future,I want to be a math and science teacher.

Answer 1

Yes, 67 oz. is right.

However, a simpler answer is

4 lb., 16 oz. - 13 oz = 4 lb, 3 oz.

Great! I know you'll be a good math and science teacher.