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If Yury has been writing programming code for 14 hours at a rate of 5

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If Yury has been writing programming code for 14 hours at a rate of 5  [#permalink]

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New post 12 Sep 2015, 12:50
7
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A
B
C
D
E

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Question Stats:

94% (01:57) correct 6% (02:35) wrong based on 108 sessions

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If Yury has been writing programming code for 14 hours at a rate of 5 lines of code per 20 seconds, how many lines of code has he written?

A. 126(10^2)
B. 126(10^3)
C. 12.6(10^5)
D. 1.26(10^7)
E. .126(10^9)

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Re: If Yury has been writing programming code for 14 hours at a rate of 5  [#permalink]

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New post 12 Sep 2015, 13:31
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shasadou wrote:
If Yury has been writing programming code for 14 hours at a rate of 5 lines of code per 20 seconds, how many lines of code has he written?

A. 126(10^2)
B. 126(10^3)
C. 12.6(10^5)
D. 1.26(10^7)
E. .126(10^9)



5 LINES IN 20 SECONDS
SO FOR 1 MINUTE ( 5 X 3 = 15 LINES )
I HOUR = 60 MINUTES

15 X 60 = 900 LINES IN AN HOUR

14 HOURS = 900 X 14 = 126(10^2)

ANSWER A

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Re: If Yury has been writing programming code for 14 hours at a rate of 5  [#permalink]

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New post 14 Jul 2017, 09:56
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i think answer should be 14 HOURS = 900 X 14 = 126(10^2) answer A
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Re: If Yury has been writing programming code for 14 hours at a rate of 5  [#permalink]

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New post 14 Jul 2017, 10:34
Lines of code in 20 secs = 5, in a min = 15, in an hour = 15*60 = 900 = 9(10)^2, in 14 hours = 126(10)^2. Ans - A.
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Re: If Yury has been writing programming code for 14 hours at a rate of 5   [#permalink] 14 Jul 2017, 10:34
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