document.write( "Question 666034: A jar filled with change is holding 5.45 and has 41 coins. There are nickles dimes and quarters. If we remove the nickles, the remaining coins have a value of 4.55. How many type of each coin were there originally? Please set up a system of 3 equations and solve to answer this question. Please show work. \n" ); document.write( "
Algebra.Com's Answer #414232 by josmiceli(19441)\"\" \"About 
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Let \"+n+\" = number of nickels
\n" ); document.write( "Let \"+d+\" = number of dimes
\n" ); document.write( "Let \"+q+\" = number of quarters
\n" ); document.write( "---------------------------
\n" ); document.write( "given:
\n" ); document.write( "(1) \"+n+%2B+d+%2B+q+=+41+\"
\n" ); document.write( "(2) \"+5n+%2B+10d+%2B+25q+=+545+\"
\n" ); document.write( "(3) \"+10d+%2B+25q+=+455+\"
\n" ); document.write( "----------------------
\n" ); document.write( "Multiply both sides of (1) by 5 and
\n" ); document.write( "subtract (1) from (2)
\n" ); document.write( "(2) \"+5n+%2B+10d+%2B+25q+=+545+\"
\n" ); document.write( "(1) \"+-5n+-+5d+-+5q+=+-205+\"
\n" ); document.write( "\"+5d+%2B+20q+=+340+\"
\n" ); document.write( "Multiply both sides by \"+2+\"
\n" ); document.write( "\"+10d+%2B+40q+=+680+\"
\n" ); document.write( "Subtract (3) from this
\n" ); document.write( "\"+10d+%2B+40q+=+680+\"
\n" ); document.write( "\"+-10d+-+25q+=+-455+\"
\n" ); document.write( "\"+15q+=+225+\"
\n" ); document.write( "\"+q+=+15+\"
\n" ); document.write( "and
\n" ); document.write( "(3) \"+10d+%2B+25%2A15+=+455+\"
\n" ); document.write( "(3) \"+10d+%2B+375+=+455+\"
\n" ); document.write( "(3) \"+10d+=+80+\"
\n" ); document.write( "(3) \"+d+=+8+\"
\n" ); document.write( "and
\n" ); document.write( "(1) \"+n+%2B+d+%2B+q+=+41+\"
\n" ); document.write( "(1) \"+n+%2B+8+%2B+15+=+41+\"
\n" ); document.write( "(1) \"+n+=+41+-+23+\"
\n" ); document.write( "(1) \"+n+=+18+\"
\n" ); document.write( "The number of nickels is 18
\n" ); document.write( "The number of dimes is 8
\n" ); document.write( "The number of quarters is 15
\n" ); document.write( "check:
\n" ); document.write( "(2) \"+5n+%2B+10d+%2B+25q+=+545+\"
\n" ); document.write( "(2) \"+5%2A18+%2B+10%2A8+%2B+25%2A15+=+545+\"
\n" ); document.write( "(2) \"+90+%2B+80+%2B+375+=+545+\"
\n" ); document.write( "(2) \"+545+=+545+\"
\n" ); document.write( "OK
\n" ); document.write( "
\n" );