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 04-05-2012, 06:49 PM #1 New Member   Join Date: Apr 2012 Posts: 6 SAT Math formulas Where I can find useful math for formulas, like the one used for finding overlapping information, and finding the total distance of a round trip? Unfortunately, none of my SAT books has these. Reply
 04-05-2012, 06:57 PM #2 Junior Member   Join Date: Dec 2011 Posts: 100 I usually just find them online as I need them and write them down in a notebook or on flashcards for later recall. I saw a list of them once, but many were repetitive and just getting them as I need them curtails it to my needs. Reply
 04-05-2012, 11:16 PM #3 Member   Join Date: Mar 2011 Location: Staten Island, NY Posts: 997 I have an article on this that gives all the important formulas with examples. Unfortunately most of the formulas are coded in html in the article. I will try to post parts of the article here tomorrow. Reply
 04-06-2012, 12:39 AM #4 New Member   Join Date: Dec 2011 Posts: 15 Try sparknotes. They have plenty of useful formulas for the math section of the SAT. I used them to raise my score from a 710 to a 790. Reply
 04-06-2012, 02:11 AM #5 Junior Member   Join Date: Mar 2012 Location: Los Angeles Posts: 81 Total distance of round trip = distance of each way added together. Sounds obvious, but it's so simple that it's overlooked. Di = RT (or dirt) Distance = rate x time. Overlapping formula is silly. Sure, it works, but it's just another formula to remember (and often remember wrong if you mess up just one part, leading to the wrong answer). Instead, I recommend drawing out Venn diagrams. It's so much easier to see and not get wrong that way. Reply
 04-06-2012, 05:26 AM #7 Junior Member   Join Date: Mar 2012 Posts: 39 thanks - very useful... Reply
 04-06-2012, 10:05 AM #8 Member   Join Date: Dec 2011 Posts: 609 Yessssssss! Thank you DrSteve. Reply
 04-09-2012, 01:00 AM #9 New Member   Join Date: Apr 2012 Posts: 6 Great article! These formulas are incredibly helpful considering the fact how often these types of questions pop up. Reply

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