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)![]() ![]() You can put this solution on YOUR website! 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( "------------------ \n" ); document.write( "d + q = 15 \n" ); document.write( "10d + 25q = 285 \n" ); document.write( "==================================== \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 \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |