document.write( "Question 814375: Bess has $2.80 in quarters and dimes. The number of dimes is 7 less than the number of quarters. Find the number she has of each kind \n" ); document.write( "

Algebra.Com's Answer #490281 by TimothyLamb(4379) $\"\"$ $\"About$

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25k + 10d = 280
\n" ); document.write( "d = k - 7
\n" ); document.write( "---
\n" ); document.write( "25k + 10d = 280
\n" ); document.write( "25k + 10(k - 7) = 280
\n" ); document.write( "25k + 10k - 70 = 280
\n" ); document.write( "35k = 350
\n" ); document.write( "---
\n" ); document.write( "k = 10
\n" ); document.write( "d = 3
\n" ); document.write( "---
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