x = -2
so 0.5 x (2-(-2)) = 0.5 x 4 = 2
Answer: 27 kg of sugar can be bought for Rs. 877.50.
Step-by-step explanation:
<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 is: <span>Q+12-2 =<span> q+10</span></span>