document.write( "Question 998423: Jennifer has 15 coins worth a total of $1.45. All of the coins are nickels, dimes, or quarters. The number or quarters is 1/4 the number of nickels and dimes combined. Solve a linear system to find how many of each kind of coin she has. Please help me... Thanks \n" ); document.write( "
Algebra.Com's Answer #616219 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "------------------------- \n" ); document.write( "(1) \n" ); document.write( "(2) \n" ); document.write( "(3) \n" ); document.write( "------------------------- \n" ); document.write( "(3) \n" ); document.write( "Substitute this into (1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( " \n" ); document.write( "--------------- \n" ); document.write( "Multiply both sides of (1) by \n" ); document.write( "and subtract (1) from (2) \n" ); document.write( "(2) \n" ); document.write( "(1) \n" ); document.write( "-------------------------- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "------------- \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "-------------------- \n" ); document.write( "There are 10 nickels, 2 dimes, and 3 quarters \n" ); document.write( "------------------------------------ \n" ); document.write( "check answers: \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( "----------------- \n" ); document.write( "(3) \n" ); document.write( "(3) \n" ); document.write( "(3) \n" ); document.write( "(3) \n" ); document.write( "OK \n" ); document.write( " |