Answer:
4 hours.
Step-by-step explanation:
The difference between 6 and 2 is 4.
Hi, what exactly is the question ?

keep in mind that, a negative coefficient to "x", will make the graph reflect over the y-axis.
0.06 = 6/100
When simplified, that's 3/50 .
0.06666666666 = 6,666,666,666/10,000,000,000
When simplified, that's 3,333,333,333/5,000,000,000 .