You would subtract: -8.6-(-12.5) to get 3.9 increase
Answer:
40 miles
Step-by-step explanation:
Let's set <em>x</em> to the number of miles driven, and <em>t</em> to the number of hours it took to drive.
We know that 40<em>t</em> is equal to <em>x</em>.
We also know that 40<em>t</em> is equal to 30(<em>t</em> + 1/3).
Solve for t:
40t = 30(t+1/3)
40t = 30t + 10
Subtract 30t from both sides:
10t = 10
Divide 10 from both sides:
t = 1
40t = 40 x 1 = 40 miles
The average rate of change is up 2 over 6
Your answer would be the 4th one : time 10%4=10/4
Answer:
woah ill look at it and come back when i find the answer
Step-by-step explanation: