document.write( "Question 180466: Trinidadhas $2.35 in nickels and dimes. if she has 33 coins in all , find the number of nickels and dimes. \n" ); document.write( "

Algebra.Com's Answer #135234 by Mathtut(3670) $\"\"$ $\"About$

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Trinidadhas $2.35 in nickels and dimes. if she has 33 coins in all , find the number of nickels and dimes.
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\n" ); document.write( "lets call the number of nickels and dimes, n and d , respectively
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\n" ); document.write( "n+d=33.............eq 1
\n" ); document.write( ".05n+.1d=2.35......eq 2
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\n" ); document.write( "rewrite eq 1 to n=33-d and plug that value into eq 2
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\n" ); document.write( ".05(33-d)+.1d=2.35
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\n" ); document.write( "1.65-.5d+.1d=2.35
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\n" ); document.write( ".05d=.7
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\n" ); document.write( " $\"highlight%28d=14%29\"$ number of dimes
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\n" ); document.write( " $\"highlight%28n=33-d=33-14=19%29\"$ number of nickels \n" ); document.write( "

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