document.write( "Question 1049271: I am having trouble writing this expression. Amy has 20 quarters. Sodas cost $0.75. Write an expression for how many quarters Amy has left after buying d amount of sodas.\r
\n" ); document.write( "\n" ); document.write( "Please help me write an expression.
\n" ); document.write( "Thank you!!!!
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Algebra.Com's Answer #664829 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
I'll express everything in cents
\n" ); document.write( "The value of 20 quarters is:
\n" ); document.write( "\"+25%2A20+\" cents
\n" ); document.write( "The value of \"+d+\" sodas is:
\n" ); document.write( "\"+75d+\" cents
\n" ); document.write( "-----------------
\n" ); document.write( "The value in cents that Amy has left
\n" ); document.write( "after buying \"+d+\" sodas is:
\n" ); document.write( "\"+25%2A20+-+75d+\"
\n" ); document.write( "-----------------------
\n" ); document.write( "The number of quarters she has left is:
\n" ); document.write( "\"+%28+25%2A20+-75d+%29+%2F+25+\"
\n" ); document.write( "\"+%28+500+-+75d+%29+%2F+25+\"
\n" ); document.write( "\"+20+-+3d+\" answer
\n" ); document.write( "--------------------
\n" ); document.write( "check:
\n" ); document.write( "suppose \"+d+=+5+\"
\n" ); document.write( "Amy has left:
\n" ); document.write( "\"+20+-+3%2A5+=+5+\" quarters
\n" ); document.write( "-------------------------
\n" ); document.write( "5 sodas cost:
\n" ); document.write( "\"+5%2A75+=+375+\" cents
\n" ); document.write( "Amy had \"+500+\" cents, so
\n" ); document.write( "she has left:
\n" ); document.write( "\"+%28+500+-+375+%29+%2F+25+=+125%2F25+\"
\n" ); document.write( "\"+125%2F25+=+5+\" quarters left
\n" ); document.write( "OK
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