Question

Vera is using her phone. Its battery life is down to 2/5 ​ and it drains another 1/9 ​ every hour. How many hours will her battery last?

Answer 1

Answer:

Vera is using her phone it battery life is down to 2/5 and it drains another 1/9 every hour how many will her battery last

Answer: We are given that Vera phone's battery life is 2/5

Also we know that, every hour phone's battery drains =1/9

Now the number of hours her battery will last is:

(2/5) ÷ (1/9) = 2/5 × 9/1 = 18/5 = 3.6

Therefore her battery will lost for 3.6 hours.