Respuesta :

Answer:

100.8 minuts

Step-by-step explanation:

12 question = 5 min

1 question = 12/5 min

42 question = (12/5)  * 42 min

                    = 100.8 min

Answer:

100.8 minutes

Step-by-step explanation:

proportion

12 over 5 = x over 42

12*42=504

504/5

100.8 minutes

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