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In a certain town there were 213 robberies last year. This year the number of robberies has gone down 
19%. How many robberies were there this year, to the nearest whole number?
Answer:

In a certain town there were 213213 robberies last year. This year the number of robberies has gone down 19% 19 \% . How many robberies were there this year, to the nearest whole number?\newlineAnswer:

Full solution

Q. In a certain town there were 213213 robberies last year. This year the number of robberies has gone down 19% 19 \% . How many robberies were there this year, to the nearest whole number?\newlineAnswer:
  1. Calculate Decrease in Robberies: Calculate the decrease in the number of robberies by finding 19%19\% of last year's total.\newline19%19\% of 213213 robberies = 0.19×2130.19 \times 213\newline= 40.4740.47
  2. Subtract Decrease from Last Year: Since we are looking for the number of robberies this year, we need to subtract the decrease from last year's total.\newlineNumber of robberies this year == Last year's robberies - Decrease in robberies\newline=21340.47= 213 - 40.47\newlineHowever, we need to round the decrease to the nearest whole number before subtracting.\newline40.4740.47 rounded to the nearest whole number is 4040.
  3. Find This Year's Total: Now, subtract the rounded decrease from last year's total to find this year's total number of robberies.\newlineNumber of robberies this year = 21340213 - 40\newline= 173173