fix it
be azn

Is there a way you can take a s/s of the original problem?


/e Or a link to the problem?

This post was edited by Ghot on Jul 27 2016 07:14pm

Damn. ONE time I posted in here: http://forums.d2jsp.org/forum.php?f=119 ....and now I'm getting Christian Science spam in my email inbox. :/

Well this means that you are infected with something really.

Take a moment to think about it. You posted once, and for what ever reason your email is now being spammed with related topics.

You are either infested with tracking coolies or something more.

Everyone laugh at Ghot.

christian science is not science lol

religion and science most often do not mix well in the same sentence

It's called intelligent design.

meh

or natural selection

and evolution

adaptation

changes over time due to many variables

Aset of eight built-in bookshelves is to be constructed in a room. The floor-to-ceiling clearance is 8 ft 2 in. Each shelf is 1 in. thick. An equal space is to be left between shelves. What space should there be between each shelf and the next? (There is no shelf against the ceiling and no shelf on the floor.

Got that right. ^^





Sorry bud. Can't set the problem up all in variables, but I can solve it.

x = space between the shelves.
98 = the total space
8 = space taken by the shelves

98 = 8 - 9x <--- subtract 8 from both sides
90 = 9x <--- divide both sides by 9
10 = x

So there's 10" between each shelf.

Sorry, must be gettin old.

This post was edited by Ghot on Jul 28 2016 01:17am

Dammit...this is pissing me off...

I blame all the "construction" that came after I learned math.






x = space between the shelves.
98 = the total space
8 = number of shelves, and because thickness of the shelves is 1, it also = space taken by all the shelves. Aka...8 * 1
98 = 8 - 9x <--- subtract 8 from both sides
90 = 9x <--- divide both sides by 9
10 = x

So there's 10" between each shelf.


/e The part I can't figure out, is how to represent ( in variable(s)) that there will be one more space between the shelves, than there are shelves.

I can get everything else into variables except that. :/
I just "learned" it. When doing a railings posts...stair runs and risers, shelves and spaces tween the shelves, etc., there will always be 1 more space than there are items. Be the items...posts, risers, shelves...etc.



I can tell you this...for posting in Homework Help Hotline.


Show the picture and the word problem you typed in here...

and ask how to set this problem up in ONLY variables, all related to the variable L.

L, being Length.

Like the length tween floor and ceiling. Length tween the shelves. Length the shelves take up, etc.

This post was edited by Ghot on Jul 28 2016 02:08am