document.write( "Question 1149437: Lauren always throws loose change into a pencil holder on her desk and takes it out every two weeks. This time it is all nickels and dimes. There are 7 times as many dimes as nickels, and the value of the dimes is $3.90 more than the value of the nickels. How many nickels and dimes does Lauren have? \n" ); document.write( "
Algebra.Com's Answer #770771 by josgarithmetic(39617)\"\" \"About 
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\"system%28d%2Fn=7%2C10d=5n%2B390%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"system%28d=7n%2C2d=n%2B78%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"14n=n%2B78\"\r
\n" ); document.write( "\n" ); document.write( "\"13n=78\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28n=6%29\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28d=42%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "check:
\n" ); document.write( "\"2%2A42=6%2B78\"
\n" ); document.write( "\"84=6%2B78\"
\n" ); document.write( "\"84=84\"
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