In a newspaper, it was reported that the number of yearly robberies in Springfield in 2010 was 150 , and then went down by 50% in 2011 . How many robberies were there in Springfield in 2011?Answer:
Q. In a newspaper, it was reported that the number of yearly robberies in Springfield in 2010 was 150 , and then went down by 50% in 2011 . How many robberies were there in Springfield in 2011?Answer:
Identify Initial Number: Identify the initial number of robberies in Springfield in 2010.The reported number of yearly robberies in Springfield in 2010 was 150.
Calculate Decrease: Calculate the decrease in the number of robberies in 2011.The robberies went down by 50% in 2011. To find the decrease, we calculate 50% of 150.Decrease = 50% of 150 = 0.50×150
Perform Calculation: Perform the calculation to find the decrease in the number of robberies. Decrease = 0.50×150=75 robberies
Calculate Number in 2011: Calculate the number of robberies in Springfield in 2011.To find the number of robberies in 2011, subtract the decrease from the number of robberies in 2010.Number of robberies in 2011 = 150−75
Perform Subtraction: Perform the subtraction to find the final number of robberies in 2011.Number of robberies in 2011 = 150−75=75 robberies
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