Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 42SE: In horse racing, a “trifecta” occurs when a bettor wins by selecting the first three finishers in...
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![If x is the greatest prime factor of 39 and y is the greatest prime factor of 72, what is the value of x + y?
AO
16
BO
111
49
25
On a certain test, each of five students scored between 0 and 50, inclusive (meaning two students can have the same score). If their
average score is 40, what is the greatest possible number of students who could have scored a 25?
AO
Four
BO
One
CO
Three
DO
Two
U](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9f042d88-42c0-4a6a-b528-5c8d3bc15824%2Fa2398c02-9cd1-4563-9b0c-f1c04394a2c9%2F4dwu9tn_processed.png&w=3840&q=75)
Transcribed Image Text:If x is the greatest prime factor of 39 and y is the greatest prime factor of 72, what is the value of x + y?
AO
16
BO
111
49
25
On a certain test, each of five students scored between 0 and 50, inclusive (meaning two students can have the same score). If their
average score is 40, what is the greatest possible number of students who could have scored a 25?
AO
Four
BO
One
CO
Three
DO
Two
U
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