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If 42.42 = k(14 + 7/50), then what is the value of k?
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07 Apr 2019, 06:21
07 Apr 2019, 06:21
Expert Reply
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Question Stats:
77% (00:51) correct
22% (02:57) wrong based on 22 sessions
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If \(42.42 = k(14 + \frac{7}{50})\), then what is the value of \(k\)?
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
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Re: If 42.42 = k(14 + 7/50), then what is the value of k?
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20 Apr 2020, 15:47
20 Apr 2020, 15:47
2
Carcass wrote:
If \(42.42 = k(14 + \frac{7}{50})\), then what is the value of \(k\)?
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
42.42 = k(14 + 7/50)
Multiply throughout by 100 (to cancel all decimals):
4242 = 100k(14 + 7/50)
=> 4242 = k(1400 + 14)
=> k = 4242/1414 = 3
Answer C
Re: If 42.42 = k(14 + 7/50), then what is the value of k?
[#permalink]
25 Mar 2022, 04:46
25 Mar 2022, 04:46
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