document.write( "Question 354687: a Collection of 40 dimes and nickels is worth $2.90. How mkany nickels are ther? \n" ); document.write( "
Algebra.Com's Answer #253395 by ewatrrr(24785)\"\" \"About 
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Hi,
\n" ); document.write( "Let n be the number of nickels. then (40-n) will be the number of dimes.
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\n" ); document.write( "question states**
\n" ); document.write( "10(40-n) + 5n = 290
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\n" ); document.write( "simplify and solve
\n" ); document.write( "400-10n + 5n = 290
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\n" ); document.write( "-5n = -110
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\n" ); document.write( "n = 22 the number of nickels
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\n" ); document.write( "check your answer
\n" ); document.write( "10*18 + 5*22 = 290
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