Answer:

Step-by-step explanation:



1. y=4x+5
2. y=2+6x
3. y=8-x
The value of x at equal total cost is 266.67
Here, we want to solve the equation to get the x-value that shows the total costs for the two companies are equal
We proceed as follows;
Answer:
$10.45
Step-by-step explanation:
You need to add up the total price before the sale and after then subtract
<em>18.95 + 7.99 = </em><em>$26.94</em>
<em>8.99 + 7.50 = </em><em>$16.49</em>
<em>26.94 - 16.49 = </em><em>$10.45</em>
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