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# During a certain week, a seal ate 50 percent of the first 80

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CEO
Joined: 15 Aug 2003
Posts: 3467
Followers: 61

Kudos [?]: 718 [0], given: 781

During a certain week, a seal ate 50 percent of the first 80 [#permalink]  13 Dec 2003, 04:56
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Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 1 sessions
During a certain week, a seal ate 50 percent of the first 80 smelt it came across, and 30 percent of the remaining smelt it came across. If the seal ate 40 percent of the smelt it came across during the entire week, how many smelt did it eat?

32
40
55
64
80
Senior Manager
Joined: 12 Oct 2003
Posts: 251
Location: USA
Followers: 1

Kudos [?]: 5 [0], given: 0

64

x --> total smelt
0.4(x) --> total smelt eaten

40 + 0.3(x-80) = 0.4(x)
16 = 0.1(x)
x = 160

0.4(x) = 64
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