The first thing you can find out is how many miles per hour he was driving, you divide 240 by 4 to get 60mph. From there you will take 240 and divide by 12 to get 20 mpg. So his car gets 20 miles per gallon and he is driving 60 miles per hour.
Answer:
The answer would be 50079455713
Step-by-step explanation:
Hope this helps
Since y=-3 you need to set up the equation
-20-(-3)
And all you have to do is simplify
So your answer will be
-17
Hope this helped :)
Have a great day