<p>I don't quite understand how to work this problem out, because no explanation is given in the practice sections of this book (only given for the practice TESTS).</p>
<p>If anybody can go to the SAT Blue Book by CB and flip to page 338 #9, I'd be appreciated if you could help me work this out</p>
<p>thanks!</p>
<p>Never mind this. I have solved it!</p>
<p>Instead of visualizing the line, it’s best to draw the line with the given points and mark the segments with the given lengths… then it’s all a matter of plugging it in the variables</p>
<p>When you see 2SP=PT,you should know that SP is the smaller line segment.Why? Because you need 2 lines of Sp to be equal to one PT.</p>
<p>Since the line is drawn you just need to put the points on the line.Remember they only told the ratio,so you can assign that SP equals 1 and PT equals 2.From S to T=SP+PT and from P to T equals PT.ST=3 and PT=2.Just put the numbers on the ratio and you got the answer. 3/2 which is B.</p>
<p>REMEMBER the key is to assign the letters on the line.</p>
<p>More Notes: If you assigned the value of SP to be X and PT 2X or Sp to be 1000 and PT to be 2000, it doesn’t matter as long as you keep the ratio(2SP=PT) correct.</p>
<p>Best of Luck in your SATs!</p>