Need math help: how many subscribe to the Sunday edition?

Anonymous
timer Asked: Nov 15th, 2015
account_balance_wallet $5

Question Description

A survey of 900 subscribers to the Los Angeles Times revealed that 700 people subscribe to the daily morning edition and 400 subscribe to both the daily and the Sunday editions.How many subscribe to the Sunday edition?
A.
B.
C.
D.
E.
F.

Tutor Answer

pallveechem123
School: UC Berkeley

Thank you for the opportunity to help you with your question!

P(A)=People subscribing  daily morning edition

P(B)=People subscribing  the Sunday editions

P(AUB)=P(A)+P(B)-P(A Both B)  ...........(1)

Given that P(AUB)=900; P(A)=700;and P(A both B)=400

From equation(1), we have 

900=700+P(B)-400 ; P(B)=600

Thus People subscribing the sunday edition P(B) is 600.

Answer is "C"

Please let me know if you need any clarification. I'm always happy to answer your questions.

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Review

Anonymous
Tutor went the extra mile to help me with this essay. Citations were a bit shaky but I appreciated how well he handled APA styles and how ok he was to change them even though I didnt specify. Got a B+ which is believable and acceptable.

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