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Mathematical Excursions (MindTap C...

4th Edition
Richard N. Aufmann + 3 others
ISBN: 9781305965584

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BuyFindarrow_forward

Mathematical Excursions (MindTap C...

4th Edition
Richard N. Aufmann + 3 others
ISBN: 9781305965584
Textbook Problem

Social Media In July 2012 , Instagram announced 80 million users of its photo sharing app. In September 2015 , they announced that the number of users had reached 400 million. Find the percent increase in the number of Instagram users during that time period. Round to the nearest percent.

To determine

The percentage increased in the number of Instagram users during that time period.

Explanation

Given information:

In 2012, the number of users of Instagram = 80 million

In 2015, the number of users of Instagram = 400 million

Calculation:

Increase in number of users = 400-80 = 320

Let x be the percentage increase in the number of users of Instagram during that time period.

Then

  x=

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