document.write( "Question 818716: Franklin has $1.57 in quarters and pennies. He has 13 coins altogether. How many coins of each kind does he have?
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #492781 by TimothyLamb(4379) $\"\"$ $\"About$

You can put this solution on YOUR website!
25q + p = 157
\n" ); document.write( "q + p = 13
\n" ); document.write( "q = 13 - p
\n" ); document.write( "---
\n" ); document.write( "25q + p = 157
\n" ); document.write( "25(13 - p) + p = 157
\n" ); document.write( "325 - 25p + p = 157
\n" ); document.write( "24p = 168
\n" ); document.write( "---
\n" ); document.write( "p = 7
\n" ); document.write( "q = 6
\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( "Convert fractions, decimals, and percents:
\n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php
\n" ); document.write( "---
\n" ); document.write( "Calculate and graph the linear regression of any data set:
\n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( "

\n" );