document.write( "Question 479311: I am having trouble completing this word problems for my assignment. I have to use two out of three of the following methods. Substitution, graphic, elimination. Here is the word problem. Quick Copy recently charged $0.49 per page for color pages and $0.07 per page for black-and-white copies. If Shirlee's bill for 90 copies was $11.34, how many copies of each type was made? \n" ); document.write( "
Algebra.Com's Answer #328418 by jorel1380(3719)\"\" \"About 
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n+p=90
\n" ); document.write( "49n+7p=1134
\n" ); document.write( "7n+7p=630
\n" ); document.write( "42n=504
\n" ); document.write( "n=12
\n" ); document.write( "p=78
\n" ); document.write( "Shirlee made 12 color copies and 78 black-and-white copies..
\n" ); document.write( "
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