Respuesta :

Estellia

Answer:

147 photos

Step-by-step explanation:

63 photos -> 9 minutes

To find the number of photos scanned per minute, divide both sides by 9.

[tex]63\div 9=7[/tex] photos -> 1 minute

To find 21 minutes, we can do [tex]21\times 7=147[/tex]

Answer:

147 photos

Step-by-step explanation:

Hope this helps