document.write( "Question 994078: Erasers cost 45 cents apiece. Notebooks cost 90 cents apiece. Karla spent $18 for a total of 28 erasers and notebooks. How many notebooks did she buy \n" ); document.write( "
Algebra.Com's Answer #613318 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Let represent the number of notebooks and represent the number of erasers. Then\r
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\n" ); document.write( "\n" ); document.write( "Solve the 2X2 system.\r
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\n" ); document.write( "My calculator said it, I believe it, that settles it\r
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