document.write( "Question 180812: Eleven groups of people were checking into a hotel. Group one made up 1/4 of the total number of people. Group two made up 2/6 of the total number of people. Group three made up 1/8 the total number of people. Group four made up 1/12 the total number of people. Group five made up 1/32 the total number of people. Group six made up 1/24 the total number of people. Group seven made up 1/16 the total number of people. Group eight made up 1/64 the total number of people. Group nine made up 1/64 the total number of people. Group ten made up 1/48 the total number of people. Group eleven consisted of 240 people. What was the total number of rooms needed if each room could be occupied by just one person? \n" ); document.write( "
Algebra.Com's Answer #135597 by ankor@dixie-net.com(22740)\"\" \"About 
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Eleven groups of people were checking into a hotel. Group one made up 1/4 of the total number of people. Group two made up 2/6 of the total number of people. Group three made up 1/8 the total number of people. Group four made up 1/12 the total number of people. Group five made up 1/32 the total number of people. Group six made up 1/24 the total number of people. Group seven made up 1/16 the total number of people. Group eight made up 1/64 the total number of people. Group nine made up 1/64 the total number of people. Group ten made up 1/48 the total number of people. Group eleven consisted of 240 people. What was the total number of rooms needed if each room could be occupied by just one person?
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\n" ); document.write( "let x = total number rooms required
\n" ); document.write( ":
\n" ); document.write( "\"1%2F4\"x + \"2%2F6\"x + \"1%2F8\"x + \"1%2F12\"x + \"1%2F32\"x + \"1%2F24\"x + \"1%2F16\"x + \"1%2F64\"x + \"1%2F64\"x + \"1%2F48\"x + 240 = x
\n" ); document.write( "Find the least common multiple of 64 & 48
\n" ); document.write( "64: 2*2*2*2*2*2
\n" ); document.write( "48: 2*2*2*2*3
\n" ); document.write( "2*2*2*2*2*2*3 = 192, multiply equation by the LCM to get rid of the denominators
\n" ); document.write( "192*\"1%2F4\"x + 192*\"2%2F6\"x + 192*\"1%2F8\"x + 192*\"1%2F12\"x + 192*\"1%2F32\"x + 192*\"1%2F24\"x + 192*\"1%2F16\"x + 192*\"1%2F64\"x +
\n" ); document.write( " 192*\"1%2F64\"x + 192*\"1%2F48\"x + 192(240) = 192(x)
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\n" ); document.write( "Results of canceling the denominators:
\n" ); document.write( "48x + 32(2x) + 24x + 16x + 6x + 8x + 12x + 3x + 3x + 4x + 46080 = 192x
\n" ); document.write( "48x + 64x + 24x + 16x + 6x + 8x + 12x + 3x + 3x + 4x + 46080 = 192x
\n" ); document.write( "188x + 46080
\n" ); document.write( "188x - 192x = -46080
\n" ); document.write( "-6x = -46080
\n" ); document.write( "x = \"%28-46080%29%2F%28-6%29\"
\n" ); document.write( "x = 7,680 rooms required
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\n" ); document.write( "A lot of math here, check my work.
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