What is the Answer to question 12.
1 answer:
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To find when their costs will be same, we can set them equal to each other.
While writing the equation, we need to take into account that one plan has a base payment of 75 no matter how much Justin drove. And there are changeable values which are effected by the x, the miles driven by Justin.
So the equation is
When we subtract
from both sides: 
Divide both sides by
: 
He needs to drive 750 miles to make 2 plans' cost equal.
While writing the equation, we need to take into account that one plan has a base payment of 75 no matter how much Justin drove. And there are changeable values which are effected by the x, the miles driven by Justin.
So the equation is
When we subtract
Divide both sides by
He needs to drive 750 miles to make 2 plans' cost equal.