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Mathematics 18 Online
OpenStudy (anonymous):

PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! The speed of a passenger train is 12 mph faster than the speed of a freight train. The passenger train travels 250 miles in the same time it takes the freight train to travel 190 miles. Find the speed of each train. i got help but idk witch # is 4 witch. 250/(x+12)=190/x cross multiply to get 250x=190(x+12) 250x=190x + 190(12) 60x=190(12) etc x=38 so speeds are 38 and 50 mph

OpenStudy (anonymous):

passeger is the fast one .. lol

OpenStudy (anonymous):

ok so its 50?

OpenStudy (anonymous):

yes

OpenStudy (lilg132):

passanger is 50

OpenStudy (lilg132):

freight train is 38

OpenStudy (anonymous):

hurrah

OpenStudy (anonymous):

lol THX

OpenStudy (anonymous):

good going

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