Solve the Problem and Answer the Question

question 163

Multiple Choice

Solve the problem and answer the question.
-A painter can finish painting a house in 7 hours. Her assistant takes 9 hours to finish the same job. How long would it take for them to complete the job if they were working together?

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Definitions:

Bag-mask Device

A hand-held device used to provide ventilation to a patient who is not breathing or who is breathing inadequately.

Automated External Defibrillator

A portable life-saving device designed to diagnose and treat sudden cardiac arrest with electrical therapy.

Mouth-to-mouth

A resuscitation technique involving one person breathing into the mouth of another to provide them with oxygen.

Automated External Defibrillator

A portable electronic device that diagnoses and treats cardiac arrhythmias through defibrillation, allowing the heart to reestablish an effective rhythm.