Math Goodies is a free math help portal for students, teachers, and parents.
|
Interactive Math Goodies Software

 Math Forums @ Math Goodies Home | Profile | Register | Active Topics | Members | Search | FAQ
 All Forums  Homework Help Forums  Standardized Test Preparation Help  SAT Question #4

Note: You must be registered in order to post a reply.

Screensize:
Format Mode:
Format:

Message:
* HTML is OFF
* Forum Code is ON

 Math Symbols

Check here to subscribe to this topic.

 T O P I C    R E V I E W Haven Posted - 09/25/2008 : 08:46:19 The information given is: x - t equals 2t - xIf x and t are positive numbers that satisfy the equation above, what is the value of x divided by t?The answer given was 5/4How was this answer obtained. An explanation would be greatly appreciated. 2   L A T E S T    R E P L I E S    (Newest First) Haven Posted - 09/25/2008 : 14:29:45 Thanks Again Skeeter. skeeter Posted - 09/25/2008 : 11:12:05 (x-t) = 2t-xsquare both sides ...x-t = 4t-4tx+x0 = 5t-4tx0 = t(5t-4x)since t>0, 5t = 4x ... 5/4 = x/t

 Math Forums @ Math Goodies © 2000-2004 Snitz Communications