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.

- PLEASE HELP ASAP!!!MATH -
**Reiny**, Thursday, May 27, 2010 at 6:22pm
4*61 + absentstudent **=** 5*59.4

- PLEASE HELP ASAP!!!MATH -
**Michelle**, Thursday, May 27, 2010 at 6:33pm
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**, Thursday, May 27, 2010 at 6:49pm
ok , let x = absentstudent

4*61 + x = 5*59.4

244 + x = 297

x = 297-244

x = 53

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