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A large company put out an advertisement in a magazine for a job opening. The first day the magazine was published the company got 160 responses, but the responses were declining by 
15% each day. Assuming the pattern continued, how many total responses would the company get over the course of the first 5 days after the magazine was published, to the nearest whole number?
Answer:

A large company put out an advertisement in a magazine for a job opening. The first day the magazine was published the company got 160160 responses, but the responses were declining by 15% 15 \% each day. Assuming the pattern continued, how many total responses would the company get over the course of the first 55 days after the magazine was published, to the nearest whole number?\newlineAnswer:

Full solution

Q. A large company put out an advertisement in a magazine for a job opening. The first day the magazine was published the company got 160160 responses, but the responses were declining by 15% 15 \% each day. Assuming the pattern continued, how many total responses would the company get over the course of the first 55 days after the magazine was published, to the nearest whole number?\newlineAnswer:
  1. Determine Number of Responses: Determine the number of responses on the first day.\newlineThe company received 160160 responses on the first day.
  2. Calculate Second Day Responses: Calculate the number of responses on the second day.\newlineThe responses are declining by 15%15\% each day. To find the number of responses on the second day, we calculate 15%15\% of 160160 and subtract it from 160160.\newline15%15\% of 160=0.15×160=24160 = 0.15 \times 160 = 24\newlineResponses on the second day = 16024=136160 - 24 = 136
  3. Calculate Third Day Responses: Calculate the number of responses on the third day.\newlineWe apply the same 1515% decline to the number of responses from the second day.\newline15%15\% of 136=0.15×136=20.4136 = 0.15 \times 136 = 20.4\newlineResponses on the third day = 13620.4=115.6136 - 20.4 = 115.6, which we round to the nearest whole number, 116116.
  4. Calculate Fourth Day Responses: Calculate the number of responses on the fourth day.\newlineAgain, we apply the 1515% decline to the number of responses from the third day.\newline15%15\% of 116=0.15×116=17.4116 = 0.15 \times 116 = 17.4\newlineResponses on the fourth day = 11617.4=98.6116 - 17.4 = 98.6, which we round to the nearest whole number, 9999.
  5. Calculate Fifth Day Responses: Calculate the number of responses on the fifth day.\newlineWe apply the 15%15\% decline to the number of responses from the fourth day.\newline15%15\% of 99=0.15×99=14.8599 = 0.15 \times 99 = 14.85\newlineResponses on the fifth day = 9914.85=84.1599 - 14.85 = 84.15, which we round to the nearest whole number, 8484.
  6. Add Total Responses: Add up the total number of responses over the first 55 days.\newlineTotal responses == Responses on the first day ++ Responses on the second day ++ Responses on the third day ++ Responses on the fourth day ++ Responses on the fifth day\newlineTotal responses =160+136+116+99+84=595= 160 + 136 + 116 + 99 + 84 = 595

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