Question

A nurse has a 1-liter bottle of medicine. He already used 2/3 of the medicine in the bottle. The patient will need 1/6 liter per hour. How many hours will it take until the bottle is empty? ​

Answer 1

2 hours

Explanation:

`(2)/(3) = (4)/(6)`

`1 - (4)/(6) = (2)/(6) / (1)/(6) = 2`

2 hours until the bottle is empty