document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=992301>Question 992301</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ana run 15 kilometer in going to the park at a constant rate, it takes her 30 minutes to reach the park in time for her lesson/by direct variation </SPAN>\n" );
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document.write( "At a constant rate, distance (d) is 15 km and time (t) is 30 minutes where d and t are in direct variation of each other. In other words, the distance Ana runs varies directly with the amount of time she has been running. The formula will be d = kt, k is the constant.\r<BR>\n" );
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document.write( "Assuming you want to determine the distance travelled per minute, the constant ratio is:\r<BR>\n" );
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document.write( "k = distance travelled/time = 15 km/30 minutes = 0.5 km/minute. \r<BR>\n" );
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document.write( "Therefore, Ana travels 1/2 kilometer for every minute she runs.\r<BR>\n" );
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document.write( "Another way you can set up the problem through direct variation:\r<BR>\n" );
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document.write( "When d = 15, t = 30\r<BR>\n" );
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document.write( "d = kt --> 15 = 30k\r<BR>\n" );
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document.write( "15/30 = 30k/30 --> k = 1/2\r<BR>\n" );
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document.write( "Verify:\r<BR>\n" );
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document.write( "d = kt --> d = (1/2)t\r<BR>\n" );
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document.write( "15 = (1/2)*30 --> 15 = 15 is true.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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