9514 1404 393
Answer:
90 minutes
Step-by-step explanation:
Assuming the time is proportional to the number of pages, you have ...
time/pages = 20/6 = T/27
Multiplying by 27 gives ...
T = 27(20/6) = 90
It is expected to take 90 minutes to check 27 pages.
(7,2) is the answer.
There you go.
Each Sheet = 9x8 = 72 stamps per sheet
72 x 12 = 864 stamps bought
There are uncountable real numbers between the square root of 13 and the square root of 14.

and

Some of the real numbers between 3.605551275 and 3.741657387 are 3.61, 3.62, 3.63, 3.64, 3.65, 3.66, 3.67, 3.68, 3.69, . . . . (like i said before, they are uncountable).