Multiple choice general knowledge

A car wash can wash 8 cars in 18 minutes. At this rate, how many cars can the car wash wash in 3 hours?

  1. 80

  2. 75

  3. 60

  4. 90

  5. 100

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The car wash rate is 8 cars per 18 minutes, which equals 8/18 cars per minute. In 3 hours (180 minutes), cars washed = (8/18) × 180 = 80 cars. Alternatively: 18 min = 8 cars, so 180 min = (180/18) × 8 = 10 × 8 = 80 cars.