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Tough and tricky 7: average temperature

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Expert Post
Math Expert
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Joined: 02 Sep 2009
Posts: 34420
Followers: 6248

Kudos [?]: 79390 [0], given: 10016

Tough and tricky 7: average temperature [#permalink]

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New post 11 Oct 2009, 18:26
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Difficulty:

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Question Stats:

75% (01:52) correct 25% (01:23) wrong based on 26 sessions

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Senior Manager
Senior Manager
avatar
Joined: 18 Aug 2009
Posts: 328
Followers: 8

Kudos [?]: 267 [0], given: 13

Re: Tough and tricky 7: average temperature [#permalink]

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New post 11 Oct 2009, 18:31
250-45*4=70.
Range = 70-45 = 25.
Answer B.
Manager
Manager
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Joined: 12 Jul 2009
Posts: 59
Followers: 1

Kudos [?]: 7 [0], given: 9

Re: Tough and tricky 7: average temperature [#permalink]

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New post 11 Oct 2009, 22:45
To find the maximum range, keep all the temp as the minimum(45). Thus the maximum temp would be 70 and hence the max range would be 25.
Expert Post
Math Expert
User avatar
Joined: 02 Sep 2009
Posts: 34420
Followers: 6248

Kudos [?]: 79390 [0], given: 10016

Re: Tough and tricky 7: average temperature [#permalink]

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New post 12 Oct 2009, 09:44
Re: Tough and tricky 7: average temperature   [#permalink] 12 Oct 2009, 09:44
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Tough and tricky 7: average temperature

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