document.write( "Question 358695: A child has 40 coins worth more than $6.00. If the coins are dimes and quarters only, what can you conclude about the number of quarters? \n" ); document.write( "

Algebra.Com's Answer #256354 by Fombitz(32388) $\"\"$ $\"About$

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1. $\"D%2BQ=40\"$
\n" ); document.write( "2. $\"10D%2B25Q%3E600\"$
\n" ); document.write( "From eq. 1,
\n" ); document.write( " $\"D=40-Q\"$
\n" ); document.write( "Substitute into eq. 2,
\n" ); document.write( " $\"10%2840-Q%29%2B25Q%3E600\"$
\n" ); document.write( " $\"400-10Q%2B25Q%3E600\"$
\n" ); document.write( " $\"15Q%3E200\"$
\n" ); document.write( " $\"Q%3E13.3\"$
\n" ); document.write( "There are at least 14 quarters in the collection.
\n" ); document.write( " \n" ); document.write( "

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