Toni can carry up to 19 lb in her backpack. Her lunch weighs 1 lb, her gym clothes weigh 2 lb, and her books (b) weigh 4 lb each. How many books can she carry in her backpack? Quick answers its an important study question

she can have a total of 4 books

bc 1lb + 2lb =3 lb

4 lbs per book would be 19 - 3 lb = 16 lb

16 ÷ 4 =4

so the answer is 4 books

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}