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The followers of an Instagram influencer increases at a rate of 10%, 20%, 60%, 20% and 25% for the first 5 days of a month. If the followers doubled after this during the entire month, find his total followers gain during the month.

The followers of an Instagram influencer increases at a rate of 10%, 20%, 60%, 20% and 25% for the first 5 days of a month. If the followers doubled after this during the entire month, find his total followers gain during the month. Correct Answer 504%

Let his followers at the beginning of the months be 100. His followers after first increment = 100 + 10% of 100 = 100 + 10 = 110 His followers after second increment = 110 + 20% of 110 = 110 + 22 = 132 His followers after the third increment = 132 + 60% of 132 = 132 + 79.2 = 201.2 His followers after the fourth increment = 201.2 + 20% of 201.2 = 201.2 + 40.42 = 241.62 His followers after the fifth increment = 241.62 + 25% of 241.62 = 241.62 + 60.405 = 302.025 His followers after the month = double of 302.025 = 604.05 ≈ 604 The change in his followers = 604 – 100 = 504 The percentage growth = 504 / 100 * 100 = 504%

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