PLEASE HELP ASAP!!!MATH
posted by Michelle .
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.

PLEASE HELP ASAP!!!MATH 
Reiny
4*61 + absentstudent = 5*59.4

PLEASE HELP ASAP!!!MATH 
Michelle
is that the answer though? I am still not following because then that would mean the kids height was 542 ???so confused

PLEASE HELP ASAP!!!MATH 
Reiny
ok , let x = absentstudent
4*61 + x = 5*59.4
244 + x = 297
x = 297244
x = 53
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