1 pound = 16 oz
Her books weigh 9 pounds or (9)(16)= 144 oz
Math Textbook= 40 oz
Biology textbook= 3 pounds or (3)(16)= 48 oz
Total weight of books - math textbook - biology textbook = science textbook
144-40-48 = 56oz
science textbook = 56oz
Answer:
41,600yd's is the area....
I’m not sure, you’re not elaborating enough to this equation. Are you sure you’re not missing a phrase of some sort?
Addition: -9 + -2 = -11
Substraction: -9 - 2 = -11
