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Aki and Brune type at constant rates of 80 words per minute and 60 wor
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18 Jan 2022, 10:02
18 Jan 2022, 10:02
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Question Stats:
67% (02:20) correct
32% (02:04) wrong based on 37 sessions
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Aki and Brune type at constant rates of 80 words per minute and 60 words per minute, respectively. Brune begins typing before Aki and has typed 600 words when Aki begins typing at 1:30 pm. If they continue typing at their respective rates, at what time will Aki have typed exactly 200 more words than Brune?
A. 1:40 PM
B. 1:50 PM
C. 2:00 PM
D. 2:10 PM
E. 2:20 PM
A. 1:40 PM
B. 1:50 PM
C. 2:00 PM
D. 2:10 PM
E. 2:20 PM
Re: Aki and Brune type at constant rates of 80 words per minute and 60 wor
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22 Jan 2022, 03:23
22 Jan 2022, 03:23
2
Lets imagine currently A is in "-600w"
each minute he overtakess B by 20 W
Then he needs 600/20=30 min to close the gap.
afterwards extra 10 min*20W=200w
total 40 mins- 1:30+0:40=2:10 PM
each minute he overtakess B by 20 W
Then he needs 600/20=30 min to close the gap.
afterwards extra 10 min*20W=200w
total 40 mins- 1:30+0:40=2:10 PM
Re: Aki and Brune type at constant rates of 80 words per minute and 60 wor
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29 Apr 2024, 16:14
29 Apr 2024, 16:14
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