Respuesta :

4004838

Answer:

10 seconds

Step-by-step explanation:

90 divided by 3 is 30, so 30 divided by 3 is 10.

Please let me know if it helps.

snowedrops

Answer:

10 Seconds

Step-by-step explanation:

90 pages on 30 seconds

so think about this: how many pages per second?

90/ 30 = 3

3 pages per second

so how many seconds will it take it to copy 30 pages?

30/3 = 10

So 10 seconds.