document.write( "Question 1065300: i'm stuck on a few problems where i have tied many different equations and end up with a decimal. i'm having trouble finding the equation that hasn't been directly said. for example- A library contains 2,000 books, nonfiction and fiction. one of the equations would be n+f=2,000. i was able to solve that problem with ease. i'm stuck on this question.-\"Veronica has been saving dimes and quarters. she has 94 coins in all, and the total value is $19.30. how many dimes and how many quarters does she have?\" please help. \n" ); document.write( "

Algebra.Com's Answer #680439 by ikleyn(52864) $\"\"$ $\"About$

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\n" ); document.write( "i'm stuck on a few problems where i have tied many different equations and end up with a decimal.
\n" ); document.write( "i'm having trouble finding the equation that hasn't been directly said. for example-
\n" ); document.write( "A library contains 2,000 books, nonfiction and fiction. one of the equations would be n+f=2,000.
\n" ); document.write( "i was able to solve that problem with ease. i'm stuck on this question.-
\n" ); document.write( "\"Veronica has been saving dimes and quarters. she has 94 coins in all, and the total value is $19.30.
\n" ); document.write( "how many dimes and how many quarters does she have?\" please help.
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\n" ); document.write( "\n" ); document.write( "Veronica.\r
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document.write( "Let Q be the number of quarters.\r\n" );
document.write( "Then the number of dimes is (94-Q).\r\n" );
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document.write( "Quarters contribute 25Q cents to the total.\r\n" );
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document.write( "Dimes contribute 10*(94-Q).\r\n" );
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document.write( "The \"value\" equation is\r\n" );
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document.write( "25Q + 10*(94-Q) = 1930 cents.\r\n" );
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document.write( "Simplify and solve for Q:\r\n" );
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document.write( "25Q + 940 - 10Q = 1930.\r\n" );
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document.write( "15Q = 1930-940  --->  15Q = 990  --->  Q =  = 66.\r\n" );
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document.write( "Answer. 66 quarters and 94-66 = 28 dimes.\r\n" );
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\n" ); document.write( "\n" ); document.write( "There is entire bunch of lessons on coin problems\r
\n" ); document.write( "\n" ); document.write( "    - Coin problems\r
\n" ); document.write( "\n" ); document.write( "    - More Coin problems\r
\n" ); document.write( "\n" ); document.write( "    - Solving coin problems without using equations\r
\n" ); document.write( "\n" ); document.write( "    - Kevin and Randy Muise have a jar containing coins\r
\n" ); document.write( "\n" ); document.write( "    - Typical coin problems from the archive\r
\n" ); document.write( "\n" ); document.write( "    - More complicated coin problems\r
\n" ); document.write( "\n" ); document.write( "    - Solving coin problems mentally by grouping without using equations\r
\n" ); document.write( "\n" ); document.write( "    - Santa Claus helps solving coin problem\r
\n" ); document.write( "\n" ); document.write( "    - OVERVIEW of lessons on coin word problems\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "Read them and become an expert in solution of coin problems.\r
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Coin problems\".\r
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