ngrg3795 ngrg3795

08-09-2020
Mathematics

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in a survey of community 60% people read daily newspaper & 50% people read weekly newspaper & 20% people don't read any type of news paper. If 1500 people read both type of news paper, how many people were surveyed.

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tramserran tramserran

08-09-2020

Answer: 4500

Step-by-step explanation:

60% Daily

50% Weekly

20% None

130% total → 30% both Daily and Weekly

30% of total people = 1500

0.30x = 1500

÷0.30 ÷0.30

x = 4500

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