Respuesta :

Answer:

97 oz.

Step-by-step explanation:

1 lb.=16oz

3+2 lbs = 5 lb's which equals to 80 oz.

then add the extra ounces 7+10 = 17

80 + 17 = 97 oz.

Answer:

D.

Step-by-step explanation:

There are 16 ounces in one pound.

3 X 16 = 48 + 7 = 55 ounces for the first book.

2 X 16 = 32 + 10 = 42 ounces for the second book.

55 + 42 =  97 ounces.