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If a certain bus line’s ridership in July was 3 5 of its ridership in
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27 Oct 2021, 05:38
27 Oct 2021, 05:38
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Question Stats:
85% (01:38) correct
14% (03:57) wrong based on 7 sessions
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If a certain bus line’s ridership in July was 3/5 of its ridership in June, and its ridership in August was 1/3 of its ridership in July, then the bus line’s ridership in June was how many times the average (arithmetic mean) of its ridership in July and August?
(A) 1/2
(B) 1 2/3
(C) 2
(D) 2 1/2
(E) 5
See more on these concepts our GRE Quant Book and the GRE Math Essentials project
(A) 1/2
(B) 1 2/3
(C) 2
(D) 2 1/2
(E) 5
See more on these concepts our GRE Quant Book and the GRE Math Essentials project
Re: If a certain bus line’s ridership in July was 3 5 of its ridership in
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31 Oct 2021, 02:51
31 Oct 2021, 02:51
1
Let the ridership in June be 100.
Then the ridership in the month of July would be 3/5 of 100 = 60 &
the ridership for the month of August would be 1/3 of 60 = 20.
Arithmetic mean of ridership for the months of July and August is (60+20)/2 = 40.
The bus line's ridership for June is 2 1/2 times of its ridership in July and August.
So the answer is D
Then the ridership in the month of July would be 3/5 of 100 = 60 &
the ridership for the month of August would be 1/3 of 60 = 20.
Arithmetic mean of ridership for the months of July and August is (60+20)/2 = 40.
The bus line's ridership for June is 2 1/2 times of its ridership in July and August.
So the answer is D
gmatclubot
Re: If a certain bus line’s ridership in July was 3 5 of its ridership in [#permalink]
31 Oct 2021, 02:51
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