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anonymous
 5 years ago
trains e and w leave the same city at the same time train e travels due north at 5 miles per hour slower than train w which is traveling due east. after two hours, they are 150 miles apart. find the speed of each train to the nearest whole #
anonymous
 5 years ago
trains e and w leave the same city at the same time train e travels due north at 5 miles per hour slower than train w which is traveling due east. after two hours, they are 150 miles apart. find the speed of each train to the nearest whole #

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0please help me i need this answer badly!!

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0looks relatively easy

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0distance = rate x time

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0let the speed of "train e" be x

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0now we know the speed of train w is ( x+5)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0After two hours , train e has travelled (2x) miles ( because the time is 2hrs , and its rate is x miles/hr )

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0similarly , after two hours , train w has travelled 2(x+5) miles

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0now, one is travelling north, the other east, ie they are at right angle to one another , the distance between them represent the hypotenuse of a right angle triangle, which can be found by phytagorus

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so [ 2x}^2 + [ 2(x+5)]^2 = 150^2

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0you get solutions x=64.5 and x= 57.85

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0take the positive case, because we are dealing with speed

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0thanks so much for all your help you saved my life that totally makes sense!

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0therefore speed train e is 57.85mph , and speed of traian w is 62.85mph ( ie x+5)
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