<span> For this case, the first thing we must do is define variables.
We have then:
x: number of devices.
Y: plan charge
For the current plan we have:
</span>

<span> For the new plan we have:
</span>

<span> Since we want the new plan to be smaller than the current plan, then we have:
</span>

<span> From here, we clear the value of x:
</span>

<span>
Answer: x <18 Note: The graph is correct</span>
answer: 2 × 2 × 2 × 2 × 2 = 32
Step-by-step explanation:

I believe the answer is 8 2/6 witch would rescue to 8 1/3 . Ok I'm not 100% positive but that look about right. Sorry if it is wrong.
Add 4x
to both sides of the equation.
a. y=4x+6
Add 5x to both sides of the equation.
b. y=5x+21