El panadero del barrio va a hacer varias tortas para la celebración del día de la madre. Para ello, va a
utilizar moldes con forma de prismas cuadrados de 30 cm de lado y 6 centímetros de profundidad.
Sabe que para que no se peguen las tortas, se debe cubrir el interior del molde con un papel
especial. ¿Cuántos centímetros cuadrados de este papel, mínimo, va a necesitar para cada molde?

Step-by-step explanation:

According to the problem, the baker needs square prism molds with 30 centimeters side and 6 centimeters depth (or height).

If the molds are square prisms, that means the bottom or base is square with 30 centimeters each side. The area of the bottom is

, where , replacing values, we have

Therefore, the baker is going to need 900 square centimeters of paper for each mold.

13

step-by-step explanation:

divide the cost of the total of sodas you bought by the cost of one soda, for example:

$24.57 divided by $1.89 is 13 which means you bought 13 sodas