document.write( "Question 538066: The Black Phantom train has twicw as many cars as the Silver Streak train. tgether they have 87 cars. How many cars does the Black Phantom have? \n" ); document.write( "
Algebra.Com's Answer #353095 by oberobic(2304)\"\" \"About 
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BP + SS = 87
\n" ); document.write( "BP =2*SS
\n" ); document.write( "3*SS = 87
\n" ); document.write( "SS = 87/3
\n" ); document.write( "SS = 29 cars
\n" ); document.write( "BP = 87-29 = 58 cars
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