<span>1 million days means 10^6 days. 1 day = 24 hours.
10^6*24=2.4*10^7 hours </span>
Answer:

Step-by-step explanation:
If the quadratic equation has a root at
then when
, 



If the quadratic equation has a root at
then when
, 



Therefore, 

12 gallons $3.75 per gallon times 12 equals 45 plus 6 which is the car wash amount it’s $51.