document.write( "Question 1063608: a textbook store sold a combined total of 229 chemistry and math textbooks in a week. the number of chemistry textbooks sold was 53 more than the number of math textbooks sold. how many textbooks of each type were sold \n" ); document.write( "

Algebra.Com's Answer #678727 by MathTherapy(10552) $\"\"$ $\"About$

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\n" ); document.write( "a textbook store sold a combined total of 229 chemistry and math textbooks in a week. the number of chemistry textbooks sold was 53 more than the number of math textbooks sold. how many textbooks of each type were sold
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Let the number of chem books be C, and number of math, M
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document.write( "Then we get: C + M = 229 ------- eq (i)
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document.write( "Also, C = M + 53 ------- eq (ii)
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document.write( "I hope you know what to do now, because I think I've done most of the work for you.
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document.write( "Hint: I would use SUBSTITUTION! \n" );
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