Question

Quran records that his hamster an turn the wheel in its cage to make 1 revolution in 0.5 minuet. How many revolutions can the hamster make in 20.5 minuets

Answer 1

20.5 divided by 0.5 = 41 rev

Answer 2

It takes 0.5 minute for 1 revolution.

20.5/0.5 = 41

20.5 minutes is 41 times 0.5 minutes, so it can do 41 times as many revolutions as it can do in 0.5 minute.

41 * 1 = 41

Answer: 41 revolutions