Question

A survey of 1500 subscribers to a certain news paper revealed that 1350 people subscribe to the daily morning edition and 750 subscribe to both the daily and the Sunday editions. How many subscribe to the Sunday edition? people How many subscribe to the Sunday edition only? people

Answer 1

There are 900 people that subscribe to the Sunday edition, and 150 that subscribe only to the Sunday edition.

There are 1350 that subscribe to the daily morning edition either alone or with the Sunday edition; this leaves

1500-1350 = 150 that only subscribe to the Sunday edition.