SOLUTION: Use an indirect proof to show that john exceeded the 55 mph speed limit if he left his house at 8:15 a.m. and arrived at his office 60 miles away at 9:00 a.m. Write the proof usin

Algebra ->  Length-and-distance -> SOLUTION: Use an indirect proof to show that john exceeded the 55 mph speed limit if he left his house at 8:15 a.m. and arrived at his office 60 miles away at 9:00 a.m. Write the proof usin      Log On


   

Question 117719: Use an indirect proof to show that john exceeded the 55 mph speed limit if he left his house at 8:15 a.m. and arrived at his office 60 miles away at 9:00 a.m. Write the proof using the paragraph method. Would be great if someone could help, and explain that to me :)
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
IF JOHN DROVE 55 MPH FOR 60 MILES HE'D GAVE SPENT 60/55=1 HOUR & 5.4 MINUTES.
HOWEVER HE ONLY SPENT 45 MINUTES TRAVELING. THEREFORE HE EXCEEDED THE 55 MILE SPEED LIMT.