Respuesta :
Answer:
540 seconds
Step-by-step explanation:
1 minute is equal to 60 second
so 90 min is equal to 90 multiplied by 60 which is equal to 540 seconds.
Answer:
540 seconds
Step-by-step explanation:
1 minute is equal to 60 second
so 90 min is equal to 90 multiplied by 60 which is equal to 540 seconds.