You arrive on-scene of a 56-year-old female patient in cardiac arrest. what is the first airway you should administer?

If you come acrosson-scene of a 56-year-old female patient experiencing cardiac arrest. The first airway you should administer is the Oropharyngeal airway. Oropharyngeal airway or oral airway for short is known as a medical device considered to be an airway adjunct, which is used to open a patient’s airway and refrain it from being obstructed by the tongue. It prevents the tongue from covering the epiglottis, which could hinder the patient from breathing, when a person turns unconscious, the muscles in the jaw relaxes and allows the tongue to block the airway.

      x/140 = 25/100

we need to find the x to find the x multiply 140 and 25

and what do you get 3500.   and what is 3500 divided by 100

= 35