Answer:
105
Step-by-step explanation:
m= minutes
Minutes*15= Whole water
m*15=w
7*15=105
The zero of the function is for x = 0. Put the value of x to the equation
y = -7x + 8:
<em>subtract 8 from both sides</em>
<em>divide both sides by (-7)</em>

It is $81.00, $2700 * .03 = 81