document.write( "Question 27797: If all Marsha's dimes were quarters, she would be 90 cents richer. How many dimes does she have? \n" ); document.write( "
Algebra.Com's Answer #18224 by stanbon(75887) ![]() You can put this solution on YOUR website! Let number of coins be \"x\". \n" ); document.write( "Value if dimes = 10x cents \n" ); document.write( "Value if quarters = 25x cents \n" ); document.write( "EQUATION: \n" ); document.write( "Value if quarter = Value if dimes + 90 \n" ); document.write( "25x=10x+90 \n" ); document.write( "15x=90 \n" ); document.write( "x=6 (number of coins) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |