document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66776>Question 66776</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1567655599/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> The ratio of the amount of money Carl has to the amount of money Donald has 7:3. If Carl gives David $20, the two will then have equal amounts. Find the equal amount that each one has. </SPAN>\n" );
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document.write( ":The ratio of the amount of money Carl has to the amount of money Donald has 7:3. <BR>\n" );
document.write( "Let x = amt of $ Carl has, then (3/7)x = amt of $ Donald has.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "If Carl gives David $20, the two will then have equal amounts.<BR>\n" );
document.write( "x - 20 = (3/7)x + 20<BR>\n" );
document.write( "x - (3/7)x = 20 + 20<BR>\n" );
document.write( "(4/7)x = 40<BR>\n" );
document.write( "x = 40 * 7/4<BR>\n" );
document.write( "x = 10 * 7<BR>\n" );
document.write( "x = $70 is Carl's amt, Donald's amt = (3/7)70 = $30<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Find the equal amount that each one has.<BR>\n" );
document.write( "70 - 20 = 30 + 20<BR>\n" );
document.write( "50 = 50 \r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );