I think of a number. 8/13 of my number is 72. What is 1/13 of my number

To find what is 1/13 of your number, we first need to solve for the whole number.

Let x be your number.

Given that 8/13 of x is 72:
(8/13) * x = 72
Multiply both sides by 13/8 to solve for x:

x = 72 * (13/8)
x = 117

Now that we know your number is 117, we can find 1/13 of your number:

(1/13) * 117
117 / 13
9

Therefore, 1/13 of your number is 9.