document.write( "Question 1149311: mandy has 15 coins in her pocket that are either dimes or quarters. the value of her coins is $2.85. how many dimes does she have? \n" ); document.write( "
Algebra.Com's Answer #770642 by Alan3354(69443)\"\" \"About 
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mandy has 15 coins in her pocket that are either dimes or quarters. the value of her coins is $2.85. how many dimes does she have?
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\n" ); document.write( "d + q = 15
\n" ); document.write( "10d + 25q = 285
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\n" ); document.write( "Or:
\n" ); document.write( "15 dimes ---> 150
\n" ); document.write( "Each dime replaced by a quarter add 15 cents.
\n" ); document.write( "285 - 150 = 135
\n" ); document.write( "135/15 = 9 quarters\r
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