document.write( "Question 815415: Beatrice has coins in her piggy bank worth $7.40, all dimes and quarters. She has 3 more quarters than the number of dimes. How many quarters and dimes does she have? \n" ); document.write( "

Algebra.Com's Answer #490957 by TimothyLamb(4379) $\"\"$ $\"About$

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10d + 25k = 740
\n" ); document.write( "k = d + 3
\n" ); document.write( "---
\n" ); document.write( "10d + 25k = 740
\n" ); document.write( "10d + 25(d + 3) = 740
\n" ); document.write( "10d + 25d + 75 = 740
\n" ); document.write( "35d = 665
\n" ); document.write( "---
\n" ); document.write( "d = 19
\n" ); document.write( "k = 22
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