Asked by Bob

drove from rich to boston at avg speed of 50 mph,if it took 5 hrs to drive from rich to phila at an avg speed of 70 mph and if the whole trip took 13 hrs how far is it from phila to boston?
Answered by Ms. Sue
Answered earlier today:

http://www.jiskha.com/display.cgi?id=1282735117

Answered by drwls
"Rich?" Is that supposed to be Richmond VA?

Rich to Phila distance = 70x5 = 350 miles

Boston to Phila distance = X

(X + 350)/13 = 70 mph

Solve for X
There are no AI answers yet. The ability to request AI answers is coming soon!