Three typists worked to type a single manuscript. What percent of the total number of words was typed by the slowest of the three typists?
(1) All three typists typed steadily and independently for 4 hours at the rates of 40, 50, and 60 words per minute to complete the manuscript.
(2) The fastest typist typed 150% as fast as the slowest.
OA A
Source: Princeton Review
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Three typists worked to type a single manuscript. What percent of the total number of words was typed by the slowest of
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Statement 1BTGmoderatorDC wrote: ↑Wed Mar 24, 2021 5:39 pmThree typists worked to type a single manuscript. What percent of the total number of words was typed by the slowest of the three typists?
(1) All three typists typed steadily and independently for 4 hours at the rates of 40, 50, and 60 words per minute to complete the manuscript.
(2) The fastest typist typed 150% as fast as the slowest.
OA A
Source: Princeton Review
Total time; \(4\cdot 60= 240\) mins
so words typed by each
A- \(240\cdot 40\)
B- \(240\cdot 50\)
C- \(240\cdot 60\)
We can find total words and \(\%\); sufficient. \(\Large{\color{green}\checkmark}\)
Statement 2
Fastest \(150\%\) of slowest
no rates given. Insufficient. \(\Large{\color{red}\chi}\)
Therefore, A
