Question

A candle uses 15/28 liters of oxygen in 30/14 minutes. What is the candle’s oxygen consumption rate in terms of liters per minute

Answer 1

Answer: 1/4 liters per minute

Explanation:

`(15)/(28) / (30)/(14) =(15)/(28) \cdot (14)/(30) =(1)/(4) \: \: (\text {liters\: \: per \: \: minute})`