Posted by meghan on Sunday, January 30, 2011 at 3:44pm.
A board 20 feet long is cut into two boards with lengths in ratio of 5 to 2. To the nearest tenth of a foot, how lng is the longer piece of the board?

Math Geometry  helper, Sunday, January 30, 2011 at 4:25pm
Ratio 5 : 2
5x + 2x = 20
Solve for x. 
Math Geometry  Marisol Rodriguez, Monday, February 14, 2011 at 10:26pm
x=20/7