Answer:
52 miles per hour
Step-by-step explanation:
The speed of the car can be found by dividing the distance by the time. THe distance is 117 miles and the time is 2 1/4 hours or 2.25 hours.
I’m sorry, but I believe that you have forgotten to attach the image. It would be impossible to solve without it. Please feel free to message me if you need help with this problem once the image it attached. Sorry for the inconvenience.
C) <u>Multiply the top equation by 3, multiply the bottom equation by -2, then add the equations.</u>
5x -2 = 63
<u> +2 = +2 (add 2 to both sides)</u>
<u>5x = 65 (your equation)</u>
5 5 (divide both sides by 5)
x = 13
Billy is 13 years old.
(check: 13 x 5 - 2 = 63
