The best scale factor to make use of every inch of the paper would be that 1 inch represents 7.5 feet.
You need to change 17% to decimal by moving the decimal to the right by 2x
so you will get .17*800=136
The first digit may be 1 or 8.
The second digit may be 1, 2, 4, 8.
The third digit may be 1, 3, 5, 7, 9.
There are
The probability that this is the correct code is