Respuesta :

Answer:

7 per minute

Step-by-step explanation:

This is because if you divide 630 by 90 it would give you 7, and if you times 7 by 90 it would give you 630,

. For example one minute is 7 miles so 90 minutes is 630 miles. Your welcome.

Answer: 7 per minutes

Step-by-step explanation: