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# The temperature has been rising X degrees per day for X

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Manager
Joined: 04 Sep 2005
Posts: 139

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Location: Fringes of the Boreal, Canada
The temperature has been rising X degrees per day for X [#permalink]

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23 Oct 2005, 19:28
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

The temperature has been rising X degrees per day for X days. X days ago it was 15 degrees. Today it is 51 degrees. How much has the temperature been rising each day?

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Senior Manager
Joined: 02 Oct 2005
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23 Oct 2005, 19:43
Temperature raises x degress for x days. Hence the total rise is x * x.

Initial temp is 15 and final temp is 51. The temp raised is 51 - 15 = 36.

x * x = 36. Hence x = 6.

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SVP
Joined: 05 Apr 2005
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23 Oct 2005, 19:54
x(x) = 51-15
x^2=36
so, x = 6 only (because days cannot be in negative, so -6 is not applicable.)

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Re: Temperature   [#permalink] 23 Oct 2005, 19:54
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