¿En cuál de los círculos se dibuja el radio del segmento?

¿En cuál de los círculos el segmento trazado es el radio?

45 cakes are baked each morning in a bakery.

$\frac{1}{3}$ of the cakes are chocolate, $\frac{1}{3}$ are vanilla, while the rest are strawberry.

How many chocolate cakes are baked each day?

Let's begin by multiplying the total number of cakes by the fraction representing the number of chocolate cakes:

$45\times\frac{1}{3}=\frac{45\times1}{3}=\frac{45}{3}$

We then proceed to divide both the numerator and denominator by 3 as follows:

$\frac{45:3}{3:3}=\frac{15}{1}=15$

$15$