document.write( "Question 818181: Michelle has 28 coins with a value of $4.40. If the coins are all nickels and quarters, how many of each type coin does she have? \n" ); document.write( "

Algebra.Com's Answer #492391 by TimothyLamb(4379) $\"\"$ $\"About$

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n + q = 28
\n" ); document.write( "q = 28 - n
\n" ); document.write( "5n + 25q = 440
\n" ); document.write( "---
\n" ); document.write( "5n + 25q = 440
\n" ); document.write( "5n + 25(28 - n) = 440
\n" ); document.write( "5n + 700 - 25n = 440
\n" ); document.write( "20n = 260
\n" ); document.write( "---
\n" ); document.write( "n = 13
\n" ); document.write( "q = 15
\n" ); document.write( "---
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