document.write( "Question 1153891: Keith paid $21.43 for a collection of seven tapes.Some were on sale for $3.94 and some for $1.89.How many each type did he buy? \n" ); document.write( "
Algebra.Com's Answer #776212 by josgarithmetic(39617)\"\" \"About 
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Is some information missing?\r
\n" ); document.write( "\n" ); document.write( "x, the size of the collection
\n" ); document.write( "h, the size for the $3.94 tapes
\n" ); document.write( "x-h, the size for the $1.89 tapes\r
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\n" ); document.write( "\n" ); document.write( "\"3.84h%2B1.89%28x-h%29=21.43\"
\n" ); document.write( "You might be able to find whole number values for h and x which work.\r
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\n" ); document.write( "\n" ); document.write( "------------------------------------
\n" ); document.write( ",...collection of seven tapes...
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\n" ); document.write( "\n" ); document.write( "\"x=7\"
\n" ); document.write( "-
\n" ); document.write( "\"3.94h%2B1.89%2A7-1.89h=21.43\"
\n" ); document.write( "\"%283.94-1.89%29h=21.43-1.89%2A7\"
\n" ); document.write( "\"h=%2821.43-1.89%2A7%29%2F%283.94-1.89%29\"
\n" ); document.write( "\"h=4\"\r
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\n" ); document.write( "\n" ); document.write( "4 of the $3.94 tapes
\n" ); document.write( "3 of the $1.89 tapes
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