document.write( "Question 86860: ok my problem is you have $30 in change in your drawer consisting of dimes and quarters write an inequality that shows the different number of coins in your drawer. so i think if I use x as the number of dimes and y as the quarters can I write that f(y) > f(x) \n" ); document.write( "
Algebra.Com's Answer #62893 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! why can't you have 2 quarters and 295 dimes?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "let c= # of coins, d= # of dimes, q= # of quarters\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since $30 is evenly divisible by $.10, there must be an even number of quarters; \n" ); document.write( "that means at least 2 but no more than 118 so 2<=q<=118\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2 quarters means 295 dimes; 118 quarters means 5 dimes ... so 5<=d<=295\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the fewest coins is 123 (118q + 5d) and the most is 297 (2q + 295d) so 123<=c<=297 \n" ); document.write( " |