Posted by Michelle on Wednesday, May 26, 2010 at 10:38pm.
The mean height of 5 students is 59.4. If one of the students leaves, the mean height becomes 61. What is the height of the absent student?

math  bobpursley, Wednesday, May 26, 2010 at 11:07pm
total height: 5*59.4
total height: 4*61+absentstudent
set them equal, and solve for absent student height.