Suppose Albers Elementary School has 20 teachers and Bothel Elementary School has 59 teachers. If 19 teachers teach at both Albers and Bothel, compute the total number of teachers employed at Albers and Bothel combined.

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Suppose Albers Elementary School has 20 teachers and Bothel Elementary School has 59 teachers. If 19
teachers teach at both Albers and Bothel, compute the total number of teachers employed at Albers and
Bothel combined.
Transcribed Image Text:Suppose Albers Elementary School has 20 teachers and Bothel Elementary School has 59 teachers. If 19 teachers teach at both Albers and Bothel, compute the total number of teachers employed at Albers and Bothel combined.
Expert Solution
Step 1

We have given that

Let A =  Albers elementry school

and 

 B = Bothel elementry school

 Number of teacher in Albers elementry school = 20

=> n(A) = 20

Number of teacher in Bothel elementry school = 59 

=> n(B) = 59

Number of teacher at both Albers elementry school and Bothel elementry school

n (A and B ) = 19

 

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