If 265 identical boxes, each containing 24 books, weighs a total of 12,720 pound, how much does each book weigh?

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

could

step-by-step explanation:

u send me a picture of ur work

pi x^2

step-by-step explanation:

pi times x squared