document.write( "Question 1152153: There is a mountain with 30 bat caves in a row that contain 340 bats in all. Any 7 caves in a row contain exactly 77 bats. Suppose the first cave has 7 times more bats than the last cave. How many bats are in the 29th cave? \n" ); document.write( "
Algebra.Com's Answer #774086 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "There is a mountain with \"30\" bat caves in a row that contain \"340\" bats in all. \r
\n" ); document.write( "\n" ); document.write( "Any \"7\" caves in a row contain exactly \"77+\"bats.=>each cave contains \"11\" bats\r
\n" ); document.write( "\n" ); document.write( "how many times we have \"7\" caves in a row, divide \"30\" by \"7\"=>\"4\"\r
\n" ); document.write( "\n" ); document.write( "in these \"4%2A7=28\" caves we have \"4%2A77=308\" bats
\n" ); document.write( "means, we have \"2\" more caves: first and last\r
\n" ); document.write( "\n" ); document.write( "\"first+\"cave , then \"+28\" caves, and \"last+\"cave =\"30\"th cave\r
\n" ); document.write( "\n" ); document.write( "so, the \"29\"th cave is last in the group of \"+28\" caves that each contains \"11\" bats\r
\n" ); document.write( "\n" ); document.write( "=>the \"29\"th cave contains \"11\" bats\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " if the first cave \"c%5B1%5D\" has \"7\" times more bats than the last cave\"c%5B30%5D\" , then \r
\n" ); document.write( "\n" ); document.write( "\"c%5B1%5D=7c%5B30%5D\" .....eq.1\r
\n" ); document.write( "\n" ); document.write( "since these \"28\" caves contain \"308\" bats, the first and last cave together contain \"340-308=32\" bats\r
\n" ); document.write( "\n" ); document.write( "\"c%5B1%5D%2Bc%5B30%5D=32\" .....eq.2....substitute \"c%5B1%5D\" from eq.1\r
\n" ); document.write( "\n" ); document.write( "\"7c%5B30%5D%2Bc%5B30%5D=32\" .....eq.2\r
\n" ); document.write( "\n" ); document.write( "\"8c%5B30%5D=32\"\r
\n" ); document.write( "\n" ); document.write( "\"c%5B30%5D=4\"\r
\n" ); document.write( "\n" ); document.write( "go to \"c%5B1%5D=7c%5B30%5D\" .....eq.1..substitute \"c%5B30%5D\"\r
\n" ); document.write( "\n" ); document.write( "\"c%5B1%5D=7%2A4\"
\n" ); document.write( "\"c%5B1%5D=28\" \r
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\n" ); document.write( "\n" ); document.write( "so,\r
\n" ); document.write( "\n" ); document.write( "\"1st\" cave:\"28\"
\n" ); document.write( "\"2nd\" cave: \"11\"
\n" ); document.write( "\"3rd\" cave: \"11\"
\n" ); document.write( "\"4th\" cave: \"11\"
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "\"29th+\"cave: \"11\"
\n" ); document.write( "\"30th\" cave:\"4\"\r
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