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Dexter found 288 shells in his first four visits to the beach and 405
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20 Jun 2022, 01:47
20 Jun 2022, 01:47
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Dexter found 288 shells in his first four visits to the beach and 405 shells in his next five visits. What is the average (arithmetic mean) number of shells he found per visit?
A. 81
B. 77
C. 72
D. 45
E. 32
A. 81
B. 77
C. 72
D. 45
E. 32
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022)
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GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
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Re: Dexter found 288 shells in his first four visits to the beach and 405
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20 Jun 2022, 05:31
20 Jun 2022, 05:31
1
Carcass wrote:
Dexter found 288 shells in his first four visits to the beach and 405 shells in his next five visits. What is the average (arithmetic mean) number of shells he found per visit?
A. 81
B. 77
C. 72
D. 45
E. 32
A. 81
B. 77
C. 72
D. 45
E. 32
TOTAL # of shells collected = 288 + 405 = 693
TOTAL # of visits = 4 + 5 = 9
So, AVERAGE # of shells per visit = 693/9 = 77
Answer: B
gmatclubot
Re: Dexter found 288 shells in his first four visits to the beach and 405 [#permalink]
20 Jun 2022, 05:31
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