document.write( "Question 995904: A train started is Journey from city hall interchange.At the first stop.2/5 of the passengers alighted and 22 boarded the train .At the second stop ,1/4 of the new total number of passenger alighted and 5 boarded the train .Now there are 80 passenger on board the train.
\n" ); document.write( "How many passenger were on the train at city hall interchange. \n" ); document.write( "
Algebra.Com's Answer #614602 by ankor@dixie-net.com(22740)\"\" \"About 
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A train started is Journey from city hall interchange.
\n" ); document.write( "At the first stop, 2/5 of the passengers alighted and 22 boarded the train.
\n" ); document.write( "At the second stop, 1/4 of the new total number of passenger alighted and 5 boarded the train.
\n" ); document.write( "Now there are 80 passenger on board the train.
\n" ); document.write( "How many passenger were on the train at city hall interchange.
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\n" ); document.write( "let x = original number of passengers
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\n" ); document.write( "\"At the first stop, 2/5 of the passengers alighted and 22 boarded the train.\"
\n" ); document.write( "x - \"2%2F5\"x + 22 = \"3%2F5\"x + 22
\n" ); document.write( "we can write this expression as a decimal
\n" ); document.write( ".6x + 22 on the train when they left the 1st stop
\n" ); document.write( ":
\n" ); document.write( "\"At the second stop, 1/4 of the new total number of passenger alighted and 5 boarded the train.
\n" ); document.write( "Now there are 80 passenger on board the train.
\n" ); document.write( "If 1/4 left, there are 3/4 on the train, so we have
\n" ); document.write( "\"3%2F4\"(.6x+22) + 5 = 80
\n" ); document.write( "\"3%2F4\"(.6x+22) = 80 - 5
\n" ); document.write( "\"3%2F4\"(.6x+22) = 75
\n" ); document.write( "multiply both sides by 4
\n" ); document.write( "3(.6x+22) = 4(75)
\n" ); document.write( "1.8x + 66 = 300
\n" ); document.write( "1.8x = 300 - 66
\n" ); document.write( "1.8x = 234
\n" ); document.write( "x = 234/1.8
\n" ); document.write( "x = 130 pass when the train left the interchange
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\n" ); document.write( "We can confirm this answer
\n" ); document.write( "3/5 of 130 + 22 = 100 on the train when it left the 1st stop
\n" ); document.write( "then 1/4 got off
\n" ); document.write( "3/4 of 100 + 5 = 80 remain on the train\r
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