Linda is one of 8 teachers in the Mathematics department. In how many different ways can three of the teachers be chosen so that Linda is one of the chosen teachers?

Question

Mathematics

Allison Costa

22 May, 16:16

Linda is one of 8 teachers in the Mathematics department. In how many different ways can three of the teachers be chosen so that Linda is one of the chosen teachers?

+3

Answers (1)

Know the Answer?

Kierra Christian · Answer 1

21 ways

Step-by-step explanation:

a, b, c, d, e, f, g, linda

1 2 linda

a__ b__ __

a__c __ __

a__d __ __

a__ e__ __

a__ f__ __

a__ g__ __

b__c __ __

b__d __ __

b__ e__ __

b__ f__ __

b__ g__ __

c__d __ __

c__ e__ __

c__ f__ __

c__ g__ __

d__ e__ __

d__ f__ __

d__ g__ __

e__ f__ __

e__ g__ __

f__ g__ __

count them

in total

there are

21 triples