document.write( "Question 1194373: Joe has a collection of nickels and dimes that is worth $8.30. If the number of dimes were doubled and the number of nickels were increased by 18, the value of the coins would be $14.50. How many dimes does he have? \n" ); document.write( "
Algebra.Com's Answer #826555 by josgarithmetic(39838)\"\" \"About 
You can put this solution on YOUR website!
\"system%285n%2B10d=830%2C5%28n%2B18%29%2B10%2A2%2Ad=1450%29\"
\n" ); document.write( "Simplify and solve the system.\r
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\n" ); document.write( "\n" ); document.write( "\"system%28n%2B2d=166%2Cn%2B18%2B4d=290%29\"\r
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\n" ); document.write( "\n" ); document.write( "Question was, \"how many dimes?\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%28n=166-2d%2C4d=290-18-n%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"4d=290-18-166%2B2d\"\r
\n" ); document.write( "\n" ); document.write( "\"2d=290-18-166\"\r
\n" ); document.write( "\n" ); document.write( "\"2d=106\"\r
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