document.write( "Question 121687: I have a question on a story problem...
\n" ); document.write( "Mary has a total of $4.75 in her bank. There are 39 coins in all: some are dimes are some are quarters. How many coins of each are there in her bank?
\n" ); document.write( "please
\n" ); document.write( "d+q=39
\n" ); document.write( "10d+25q=475
\n" ); document.write( "
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Algebra.Com's Answer #89334 by stanbon(75887)\"\" \"About 
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Mary has a total of $4.75 in her bank. There are 39 coins in all: some are dimes are some are quarters. How many coins of each are there in her bank?
\n" ); document.write( "please
\n" ); document.write( "-------------------
\n" ); document.write( "d+q=39
\n" ); document.write( "10d+25q=475
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\n" ); document.write( "d=39-q
\n" ); document.write( "Substitute to solve for \"q\":
\n" ); document.write( "10(39-q)+25q=475
\n" ); document.write( "390-10q+25q=475
\n" ); document.write( "15q = 85
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\n" ); document.write( "Comment: q does not become a whole number.
\n" ); document.write( "Check your statement of the problem.
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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