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08 Jan 2018, 02:07
Kudos
Bookmarks
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
75%
(hard)
Question Stats:
59% (02:27) correct
41%
(02:33)
wrong
based on 292
sessions
History
Date
Time
Result
Not Attempted Yet
Franny can type 80 words per minute and Zooey can type 60 words per minute. If the two together must type up a 14,000-word paper and each person can type for at most 2 hours, what is the least amount of time, in hours, that Zooey must type?
A. 100
B. 220/3
C. 2
D. 11/9
E. 5/3
A. 100
B. 220/3
C. 2
D. 11/9
E. 5/3
prashant0099
Joined: 25 Jan 2016
Last visit: 20 Dec 2020
Posts: 47
Given Kudos: 65
Location: India
Schools: Alberta '23
GPA: 3.9
WE:Engineering (Energy)
08 Jan 2018, 06:25
Kudos
Bookmarks
Ans must be D 11/9 or 1.22 Hours.
F= 80 W/min
Z= 60 W/min
F type for 2 hours = 2 X 60 X 80 =9600 Words
Remaining Work = 14000-9600 = 4400 Words
So Z will take time = 4400/60 = 73.33 minutes or 1 hour 13 min or 1.22 hr.
Which is D 11/9 hours
F= 80 W/min
Z= 60 W/min
F type for 2 hours = 2 X 60 X 80 =9600 Words
Remaining Work = 14000-9600 = 4400 Words
So Z will take time = 4400/60 = 73.33 minutes or 1 hour 13 min or 1.22 hr.
Which is D 11/9 hours
General Discussion
08 Jan 2018, 02:20
Kudos
Bookmarks
D
Franny in an hour can type 80*60=4800 words
Zooey in an hour can type 60*60=3600 words
Together they can type 8400 words in an hour.
Let’s say franny works for another hour to minimise the time Zooey works. So total typed words =8400+4800=13200. Remaining words to be typed =800. Time taken by Zooey for this 800 words =800/3600 hours. So total time taken by Zooey = 1+800/3600= 11/9.
Sent from my iPhone using GMAT Club Forum
Franny in an hour can type 80*60=4800 words
Zooey in an hour can type 60*60=3600 words
Together they can type 8400 words in an hour.
Let’s say franny works for another hour to minimise the time Zooey works. So total typed words =8400+4800=13200. Remaining words to be typed =800. Time taken by Zooey for this 800 words =800/3600 hours. So total time taken by Zooey = 1+800/3600= 11/9.
Sent from my iPhone using GMAT Club Forum
