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In a newspaper, it was reported that the number of yearly robberies in Springfield in 2010 was 200 , and then went down by 
4% in 2011 . How many robberies were there in Springfield in 2011?
Answer:

In a newspaper, it was reported that the number of yearly robberies in Springfield in 20102010 was 200200 , and then went down by 4% 4 \% in 20112011 . How many robberies were there in Springfield in 20112011?\newlineAnswer:

Full solution

Q. In a newspaper, it was reported that the number of yearly robberies in Springfield in 20102010 was 200200 , and then went down by 4% 4 \% in 20112011 . How many robberies were there in Springfield in 20112011?\newlineAnswer:
  1. Identify initial number and decrease: Identify the initial number of robberies and the percentage decrease.\newlineThe initial number of robberies in Springfield in 20102010 was 200200. The percentage decrease in robberies from 20102010 to 20112011 was 4%4\%.
  2. Calculate actual decrease: Calculate the actual decrease in the number of robberies.\newlineTo find the actual decrease, multiply the initial number of robberies by the percentage decrease.\newlineDecrease in robberies = 200200 robberies ×(4100)=8\times \left(\frac{4}{100}\right) = 8 robberies.
  3. Calculate number in 20112011: Calculate the number of robberies in Springfield in 20112011.\newlineSubtract the decrease in robberies from the initial number of robberies to find the number in 20112011.\newlineNumber of robberies in 20112011 = 200200 robberies - 88 robberies = 192192 robberies.