Respuesta :

Answer:

The correct answer is 300 breaths in 2 minutes.

Step-by-step explanation:

4b/10s

First find out the initial breath per second.

10/4 = 2.5b

Then how many seconds is in 2 minutes.

120 seconds in two minutes.

Then multiply the seconds by the breaths per second.

2.5b * 120s = 300b

Liliana takes 300 breaths in 2 minutes