Three ounces of cinnamon cost $2.40. if there are 16 ounces in 1 pound, how much does cinnamon cost per pound? $12.80 $31.20 $38.40 $115.20

Option A is correct.

$ 12.80 does cinnamon cost per pound.

Step-by-step explanation:

Given :Three ounces of cinnamon cost $2.40. If there are 16 ounces in 1 pound.

To find how much does cinnamon cost per pound.

As per the statement:

3 ounces  cost = $2.40

then;

1 ounces cost = .

Also, it is given :

16 ounces = 1 pound

therefore,

cinnamon cost per pound = cost per pound

Therefore, cinnamon cost per pound is $ 12.80

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x