Hello from MrBillDoesMath!
Answer:
Estimate: 3430
The exact answer lies between 3415 and 3417
Discussion:
488 is approximately 490, so the total number of sheets in 7 pages packages is approximately 490 * 7= 3430 (as 49 *7 = 280 + 63 = 343)
The exact answer if 488 * 7 = 3416 which lies between 3415 and 3417
Thank you,
MrB