After Batman brought the Joker to justice, the crime rate in Arkham City decreased by 1 2 % . Previously, the crime rate was c incidents per 1 0 0 0 people. Which of the following expressions could represent the crime rate in Arkham City after Batman brought the Joker to justice? Choose 2 answers:
prettystefina11:
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Answers
Answered by
35
Previous crime rate = c/1000
Decrease in crime rate after Batman brought joker to justice = 12%
New crime rate = (c/1000) - (12/100) × (c/1000)
= (100c - 12c) ÷ 100000
= 88c ÷ 100000
= 0.00088c
Answered by
44
0.88c per 1000 people & 22c/25 per 1000 people are two correct answers
Step-by-step explanation:
Previously, the crime rate was c incidents per 1 0 0 0 people
Crime rate = c per 1000
the crime rate in Arkham City decreased by 1 2 %
Decreased crime rate = c - (12/100)c = 0.88c per 1000 people
0.88c = 88c/100 = 22c/25 per 1000 people
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