Answer:
560/800 = 0.7 pounds per dollar
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:
980
Explanation step by step:
The factors are arranged and multiplied

0.134 = 134/1000 = 67/500