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anonymous
 5 years ago
The average speed of an express train is 15mi/hr faster than the average speed of a local train. It takes the local train 2 hours longer than the express train to cover 360 miles. What is the average speed of the express train?
anonymous
 5 years ago
The average speed of an express train is 15mi/hr faster than the average speed of a local train. It takes the local train 2 hours longer than the express train to cover 360 miles. What is the average speed of the express train?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0speed = dist / time let the local train speed be x x = 360 / 2 + t x + 15 = 360 / t 360/t  15 = 360 / 2 + t 360  15t / t = 360 / 2 + t (t+2) ( 360  15t) = 360t 15t^2  30t + 720 = 0 t^2 + 2t  48 = 0 t^2 + 8t 6t 48=0 t(t+8)6(t+8) = 0 t = 6 or 8 t = 6 x+15 = 360/6 = 60 x = 60  15 = 45 miles / hr

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0the answer says 60 mi/hr acutally...

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.045 miles / hr is the slower train the express is therefore 60 miles / hr

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i had this exact problem in my homework. you using the holt alg 1 book?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yhea.... where do u live?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0well durrrr only california uses the california standards

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0anthony.... lol, who else did you give this website to?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0HI ANTHONY XDDDDD LOLOLOLOL

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0HI LISA xD mr. orchestra?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0no i thought it was you, but ur username is like non anthony ish xD you can tell, mine is lisa ish :D

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yeah... i thought it was you when i read the problem lol i use that username for most websites

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0dude i dont get ANY of the math hw TT.TT so as you can see, im posting like everysinge one haha

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yeah... i noticed i'm not doing my math hw until sunday lol

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0well i gtg now cya on monday xD LOL u made my night hahahaha

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0hahahaha i wonder what the other person that replied to this post will think XD
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