document.write( "Question 925729: A bank teller has 54 $5 and $20 bills in her cash drawer. The value of the 7) bills is $780. How many $5 bills are there? \n" ); document.write( "

Algebra.Com's Answer #561714 by TimothyLamb(4379) $\"\"$ $\"About$

You can put this solution on YOUR website!
x = five dollar bills
\n" ); document.write( "y = twenty dollar bills
\n" ); document.write( "---
\n" ); document.write( "x + y = 54
\n" ); document.write( "5x + 20y = 780
\n" ); document.write( "---
\n" ); document.write( "put the system of linear equations into standard form
\n" ); document.write( "---
\n" ); document.write( "x + y = 54
\n" ); document.write( "5x + 20y = 780
\n" ); document.write( "---
\n" ); document.write( "copy and paste the above standard form linear equations in to this solver:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php
\n" ); document.write( "---
\n" ); document.write( "solution:
\n" ); document.write( "x = five dollar bills = 20
\n" ); document.write( "y = twenty dollar bills = 34
\n" ); document.write( "---
\n" ); document.write( "Solve and graph linear equations:
\n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php
\n" ); document.write( "---
\n" ); document.write( "Solve quadratic equations, quadratic formula:
\n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php
\n" ); document.write( "---
\n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "

\n" );