It's two. 50% chance of heads, 50% chance of tails.
You would have to divide the categories over the budget. after you divide, you would end up with a decimal, so you to convert it into a percentage, you would simply multiply it by 100.
clothing: 6%
housing: 22%
insurance: 8%
The answer of the question is 75
You can use the change of base formula to get

and also

In general, the change of base formula is
