document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1018543>Question 1018543</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mark works at a popular electronics retail store. He earns a fixed income of $18 an hour and a 5% commission on the sales he makes. <BR>\n" );
document.write( " <BR>\n" );
document.write( "Let's say, <BR>\n" );
document.write( "y = earnings<BR>\n" );
document.write( "h = number of hours worked <BR>\n" );
document.write( "s = amount of sales <BR>\n" );
document.write( " <BR>\n" );
document.write( "Which of these equations correctly indicates how much Mark earns in a day?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #634617 by </B><A HREF=/tutors/aboutme.mpl?userid=Marz157><B>Marz157(7)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Marz157><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=634617\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> So, we are trying to create a formula for y (earnings). It looks like Mark gets income from 2 different sources. An hourly wage for $18 an hour and some percentage of his sales. His total earnings will be the sum of these two things\r<BR>\n" );
document.write( "\n" );
document.write( "When we say that someone makes $X an hour, that means we should multiply that many dollars by how many hours they worked to get the total amount of money they made\r<BR>\n" );
document.write( "\n" );
document.write( "Example: If I work 4 hours at $18 an hour, I made 4*18 = 72 dollars.\r<BR>\n" );
document.write( "\n" );
document.write( "So money that he earned from his hourly wage is 18*h\r<BR>\n" );
document.write( "\n" );
document.write( "The problem also says that he makes 5% commission. That means he earns 5% of what ever he sold. Another way to think of percent is \"how many out of a hundred\", so for every $100 worth of stuff he sold, he earns $5\r<BR>\n" );
document.write( "\n" );
document.write( "5% when written as a normal number is 0.05 (you could also write this as 1/20 and we can multiply that by the amount of stuff he sold to get his earnings for his commission .05 * s\r<BR>\n" );
document.write( "\n" );
document.write( "The sum of these two should give you your answer. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );