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A new shopping mall records 120 total shoppers on their first day of business. Each day after that, the number of shoppers is 
10% more than the number of shoppers the day before.
What is the total number of shoppers that visited the mall in the first 7 days?
Round your final answer to the nearest integer.
shoppers

A new shopping mall records 120120 total shoppers on their first day of business. Each day after that, the number of shoppers is 10% 10 \% more than the number of shoppers the day before.\newlineWhat is the total number of shoppers that visited the mall in the first 77 days?\newlineRound your final answer to the nearest integer.\newlineshoppers

Full solution

Q. A new shopping mall records 120120 total shoppers on their first day of business. Each day after that, the number of shoppers is 10% 10 \% more than the number of shoppers the day before.\newlineWhat is the total number of shoppers that visited the mall in the first 77 days?\newlineRound your final answer to the nearest integer.\newlineshoppers
  1. Calculate second day shoppers: Calculate the number of shoppers on the second day by increasing the first day's count by 1010%.\newlineFirst day shoppers: 120120\newlinePercentage increase: 10%10\%\newlineNumber of shoppers on the second day: 120+(10% of 120)120 + (10\% \text{ of } 120)\newline120+(0.10×120)120 + (0.10 \times 120)\newline120+12120 + 12\newline132132
  2. Calculate third day shoppers: Calculate the number of shoppers on the third day by increasing the second day's count by 1010%.\newlineSecond day shoppers: 132132\newlinePercentage increase: 10%10\%\newlineNumber of shoppers on the third day: 132+(10% of 132)132 + (10\% \text{ of } 132)\newline132+(0.10×132)132 + (0.10 \times 132)\newline132+13.2132 + 13.2\newline145.2145.2\newlineSince the number of shoppers cannot be a fraction, we consider the actual number of shoppers as 145145 (assuming we round down to the nearest integer for each day).
  3. Calculate fourth day shoppers: Calculate the number of shoppers on the fourth day by increasing the third day's count by 1010%.\newlineThird day shoppers: 145145\newlinePercentage increase: 10%10\%\newlineNumber of shoppers on the fourth day: 145+(10% of 145)145 + (10\% \text{ of } 145)\newline145+(0.10×145)145 + (0.10 \times 145)\newline145+14.5145 + 14.5\newline159.5159.5\newlineAgain, assuming we round down to the nearest integer, the number of shoppers on the fourth day is 159159.
  4. Calculate fifth day shoppers: Calculate the number of shoppers on the fifth day by increasing the fourth day's count by 1010%.\newlineFourth day shoppers: 159159\newlinePercentage increase: 10%10\%\newlineNumber of shoppers on the fifth day: 159+(10% of 159)159 + (10\% \text{ of } 159)\newline159+(0.10×159)159 + (0.10 \times 159)\newline159+15.9159 + 15.9\newline174.9174.9\newlineRounding down to the nearest integer, the number of shoppers on the fifth day is 174174.
  5. Calculate sixth day shoppers: Calculate the number of shoppers on the sixth day by increasing the fifth day's count by 1010%.\newlineFifth day shoppers: 174174\newlinePercentage increase: 10%10\%\newlineNumber of shoppers on the sixth day: 174+(10% of 174)174 + (10\% \text{ of } 174)\newline174+(0.10×174)174 + (0.10 \times 174)\newline174+17.4174 + 17.4\newline191.4191.4\newlineRounding down to the nearest integer, the number of shoppers on the sixth day is 191191.
  6. Calculate seventh day shoppers: Calculate the number of shoppers on the seventh day by increasing the sixth day's count by 1010%.\newlineSixth day shoppers: 191191\newlinePercentage increase: 10%10\%\newlineNumber of shoppers on the seventh day: 191+(10% of 191)191 + (10\% \text{ of } 191)\newline191+(0.10×191)191 + (0.10 \times 191)\newline191+19.1191 + 19.1\newline210.1210.1\newlineRounding down to the nearest integer, the number of shoppers on the seventh day is 210210.
  7. Calculate total shoppers over 77 days: Add the number of shoppers from each day to find the total number of shoppers over the first 77 days.\newlineTotal shoppers = 120120 (first day) + 132132 (second day) + 145145 (third day) + 159159 (fourth day) + 174174 (fifth day) + 191191 (sixth day) + 210210 (seventh day)\newlineTotal shoppers = 120+132+145+159+174+191+210120 + 132 + 145 + 159 + 174 + 191 + 210\newlineTotal shoppers = 10311031