SOLUTION: A survey carried out recently to find the number of applicants that applied for jobs in three newspaper establishments revealed that 70 applied to the daily times,65 applied to the

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Question 1095621: A survey carried out recently to find the number of applicants that applied for jobs in three newspaper establishments revealed that 70 applied to the daily times,65 applied to the daily graphic,ans 85 applied to the punch.40applied to the daily time only,20 applied to the daily graphic only,while 45 applied to the punch only.if 15 applied to all the three newspaper establishments,find (1) the number that applied to both the daily times and daily graphic (ii) the number that applied to the daily time and the punch(iii) the number that applied to at least one newspaper establishment
Answer by ultrakimidis1(8) About Me  (Show Source):
You can put this solution on YOUR website!
n%28U%29=70%2B65%2B85=220
n%28dt%29=70
n%28dg%29=65
n%28p%29=85
n%28dt+n+p+n+dg%29=15
n%28dt+n+dg%29=a
n%28dg+n+p%29=b
n%28dt+n+p%29=c
a%2Bc=15...1
a%2Bb=30…2
c%2Bb=25…3
%282%29-%281%29
b-c=15…4
Eqn+4+and+3
2b=40
b=20
c=20-15=5
a=15-5=10