Question

I’m not sure why I keep getting this question wrong?

Answer 1

The value of (3x + 27)/8x when x = 3 is $1.50. That is it costs $1.50 to make 3 dozens cookies (option C)

Step-by-step explanation:
`\begin{gathered} \text{The cost model for making x dozens of cookies:} \\ \frac{3x\text{ + 27}}{8x} \end{gathered}`
`\begin{gathered} \text{when x = 3, we substitute x with 3} \\ \frac{3x\text{ + 27}}{8x}\text{ = }\frac{3(3)\text{ + 27}}{8(3)} \\ =\text{ }\frac{\text{9 + 27}}{24} \\ =\text{ }(36)/(24)=(3)/(2) \\ =\text{ }1.50 \end{gathered}`

Since the cost we got is for 3 dozens of cookies, we say the cost for making 3 dozens of cookies is $1.50

The value of (3x + 27)/8x when x = 3 is $1.50. That is it costs $1.50 to make 3 dozens cookies (option C)