9. Manny purchased a dozen of donuts for a total of $3.99, What is the unit price per donut?
a. $0.43 per donut
c. $0.33 per donut
b. $0.23 per donut
d. $0.31 per donut

Respuesta :

Answer:

c. $0.33 per donut

Step-by-step explanation:

dozen = 12 donuts

12 = 3.99

[tex]\frac{3.99}{12} =\frac{x}{1}[/tex]

3.99 × 1 = 12 · x

3.99 = 12x

3.99 ÷ 12 = x

x = 0.3325 ≈ $0.33

I think the answer is C