Representative Basic Arithmetic Flashcards

At 30 mph, a car takes 2 seconds to travel approximately how many feet? (1 mph ≈ 1.47 fps)

Answer: 88 feet

30 × 1.47 ≈ 44.1 fps × 2 seconds ≈ 88 feet.

A car dealership offers a $2,400 rebate split equally over 12 months. What is the monthly rebate amount?

Answer: $200

$2,400 ÷ 12 = $200 per month.

Road construction reduces a 4-lane highway to 2 lanes. If 5,200 cars were using it, roughly how many now fit in the reduced lanes?

Answer: 2,600 cars

Reducing lanes by half means approximately 5,200 ÷ 2 = 2,600 cars.

A driver completes 4 laps on a 2.5-mile test track. How many total miles does he drive?

Answer: 10 miles

4 × 2.5 = 10 miles total.

Insurance costs $840 per year. How much is the quarterly (every 3 months) payment?

Answer: $210

$840 ÷ 4 = $210 per quarter.

A car traveled 400 miles using 16 gallons of gas. What is the fuel efficiency in miles per gallon?

Answer: 25 mpg

400 ÷ 16 = 25 miles per gallon.

A driver needs 1 hour 45 minutes to reach a destination 70 miles away. What is the average speed?

Answer: 40 mph

1 hour 45 min = 1.75 hours; 70 ÷ 1.75 = 40 mph.