SOLUTION: On monday, Hank drove to work at an average speed of 70km/h and arrived 1 minute late. On Tuesday, he left at the same time and took the same route. This time he drove at an averag

Question 377662: On monday, Hank drove to work at an average speed of 70km/h and arrived 1 minute late. On Tuesday, he left at the same time and took the same route. This time he drove at an average speed of 75km/h and arrived 1 minute early. How long is his route to work?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
st=d
s*t=s*t
70*60(t+1)=75*60(t-1) Making speed into km/min is easier.
4200t+4200=4500t-4500
-300t=-8700
t=29 min
70 * 30/60 = 35 km
.
Ed
RELATED QUESTIONS
Michael drove to work on Monday at 45 mph and arrived one minute early. The employee... (answered by lwsshak3)

Please help!!! Michael drove to work on Monday at 45 mph and arrived one minute early.... (answered by josmiceli)

Problem shown and given in class - I understand everything down to x = 2/(1/40 -... (answered by Earlsdon)

monica drove to work on monday at 40 miles per hour and arrived one minute late. she left (answered by mananth,ikleyn)

Joe drove to work on Monday at 45 mph and arrived 1 minute early. On Tuesday he drove at... (answered by checkley75)

Alicia needs to get to work at 8am. On Tuesday, she drove to work at an average speed of... (answered by lwsshak3)

Mr. Newton drive to and from work over the same route each day. On Friday, he drives at... (answered by ankor@dixie-net.com)

Paloma Rey drove to work on Wednesday at 40 miles per hour, an darrived one minute late. (answered by jayanthi)

Mary Baylor drove to work on Thursday at 40 miles per hour and arrived one minute late.... (answered by checkley77,gonzo)