find the average

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May 22nd 2008, 10:46 PM
FarraFarra

find the average

Hi, I need help with the following problem....(Thinking)

Ceiling Length is 7.91m

2.40m of the ceiling length is 1.94m high
5.51m of the ceiling Length is 2.46m high

What is the 'average' ceiling height for the room?
May 23rd 2008, 02:48 AM
r_maths

I got 2.3m. (best check with someone else)
May 23rd 2008, 03:46 AM
Moo

Hello,

Quote:

Originally Posted by FarraFarra

Hi, I need help with the following problem....(Thinking)

Ceiling Length is 7.91m

2.40m of the ceiling length is 1.94m high
5.51m of the ceiling Length is 2.46m high

What is the 'average' ceiling height for the room?

Quote:

Originally Posted by r_maths

I got 2.3m. (best check with someone else)

The average ceiling height is given by :

$<h>=\frac{2.46*5.51+1.94*2.40}{7.91}$

But I have no calculator here ~

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