SOLUTION: Last year, 54 of a school's 60 teachers attended graduation. If the school has replaced 2 retired teachers in the past year, what is the largest number of teachers who could attend

Question 1189615: Last year, 54 of a school's 60 teachers attended graduation. If the school has replaced 2 retired teachers in the past year, what is the largest number of teachers who could attend this year's graduation that did not attend last year's?
A)2 B)4 C)6 D)8 E)14

Answer by ikleyn(52803) (Show Source): You can put this solution on YOUR website!
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Last year, 54 of a school's 60 teachers attended graduation. If the school has replaced 2 retired teachers in the past year,
what is the largest number of teachers who could attend this year's graduation that did not attend last year's?
A)2 B)4 C)6 D)8 E)14
~~~~~~~~~~~~~~~~~~~~~~~~~~

Since the problem asks about "the largest number of teachers", we can assume, that all 60 teacher will attend this year
graduation and that 2 retired teachers were among those 54, who attended last year.


Under this assumption, teachers who attend this year and did not attend last year are 6 teachers of the old staff 
PLUS 2 new teachers; in all, 6+2 = 8 teachers.


ANSWER.  The largest possible number of teachers who could attend this year's graduation 
         that did not attend last year is 8.

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