Mathematics and Arithmetic Flashcards
6 cards from real DELPOE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Mathematics and Arithmetic flashcards as text
A police department responded to 480 calls last month. If 40% were domestic disturbances, how many calls were domestic disturbances?
Answer: 192
40% of 480 = 0.40 × 480 = 192 domestic disturbance calls.
An officer earns $25.00 per hour and works 40 regular hours plus 4 overtime hours at 1.5× pay. What are the officer's total earnings for the week?
Answer: $1,150.00
(40 × $25.00) + (4 × $25.00 × 1.5) = $1,000 + $150 = $1,150.
A speed enforcement camera recorded 5 violations in the first hour, 8 in the second hour, and 3 in the third hour. What is the average number of violations per hour?
Answer: 5
(5 + 8 + 3) ÷ 3 = 16 ÷ 3 ≈ 5.33, which rounds to approximately 5 violations per hour.
A crime prevention grant of $7,500 must be divided equally among 5 programs. How much does each program receive?
Answer: $1,500
$7,500 ÷ 5 programs = $1,500 per program.
An officer drove 85 miles to a training location at an average speed of 50 mph. Approximately how long did the drive take?
Answer: 1 hour 42 minutes
85 ÷ 50 = 1.7 hours = 1 hour and 42 minutes.
During a shift, Officer Kim made 3 felony arrests, 7 misdemeanor arrests, and 2 traffic arrests. What percentage of total arrests were felonies?
Answer: 25%
3 felony arrests ÷ (3 + 7 + 2) total = 3 ÷ 12 = 0.25 = 25%.