Answer: i think 0.8.
It is saying that both equations equal each other, as they both equal f(x). So we just move each of the factors to equal each other. Like 3x+5=11. There you just subtract the 5 from both sides to get 3x=6, and then divide both sides by 3 to get x=2.
Using the formulas
Solving for C
The answer is 3.59 after multiplying .2 to 17.95
Add 4 minutes to the 24 minutes each day. Multiply the number of minutes by the time.