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Homework Help: PLEASE HELP ASAP!!!MATH

Posted by Michelle on Thursday, May 27, 2010 at 6:19pm.

Here was my question
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?


Heres Bob's answer but what does set them equal mean?? SOMEONE HELP!

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.

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