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The temp f=120(2^-at) + 60
after 10 mins given temp is 120, substituting
120-60 = 120(2^-a10)
1/2=2^-10a
10a=1 therefore a= 1/10
now substitute after 30 mins f = 120(2^-3) + 60 = 75
wat is the answer?
- by ab78
Sat Oct 11, 2008 11:53 am- Forum: Problem Solving
- Topic: Temperature problem
- Replies: 4
- Views: 1523
Hi
I have been studying for my GMAT for a while now. I have given quite bit of tests where I have score around 660. I know it is not a great score. My strong point has been Quant where I score about 92-99%. I am really weak with my verbal about 60-70%. I gave my GMAT today but for some reason I fell sh...
- by ab78
Wed Oct 08, 2008 7:32 pm- Forum: Ask Stacy Blackman
- Topic: Hi
- Replies: 2
- Views: 1669