Respuesta :

Answer:

1/6 hour = 10 minutes

1.5 hours = 90 minute

Therefore Isaac can solve 9 questions in 1.5 hours.

Step-by-step explanation:

Answer:

9 questions

Step-by-step explanation:

I dunno if this is the correct answer but if you divide 1 and 1/2 hours by 1/6 hours that it takes him to answer each question then it would be 9 questions