document.write( "Question 247790: Translate the problem into a pair of linear equations in two vaiables. Solve the equations using either elimination or substitution. State your answer for the specified variable.\r
\n" ); document.write( "\n" ); document.write( "Andy has 14 coins made up of quarters and half-dollars, and their total value is $4.25. How many quarters does he have?
\n" ); document.write( "

Algebra.Com's Answer #180637 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "Let represent the number of quarters. Let represent the number of half-dollars. Then is the value of the quarters in cents and is the value of the half-dollars in cents. The total amount of money he has, expressed in cents, is 425.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "He has 14 coins:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The total value is $4.25:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Either of the elimination or substitution will work just fine to solve this system, but given the simplicity of the first equation, I would choose the substitution method.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Let me know what you obtained for an answer.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "John
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" );