First chore, 6 to choose from.
Second chore, 5 to choose from.
Third chore, 4 to choose from.
Fourth chore, 3 to choose from.
Fifth chore, 2 to choose from.
Sixth chore, 1 to "choose" from.
The total number of orders possible is the product
6*5*4*3*2*1=6!=720
The first one is not proportional and the second one is proportional
25 x 60 = 1500
10 x 60 = 600
The answer is 600
<u>Answer:</u>
The answer is B --> 
<u>How I got that:</u>
<u />
These are really easy, you're simply looking for numbers that you can factor down. Like here:
I took:

and saw that I could factor out 4 from the denominator:

and then I canceled out the common factor (4 because its on both sides):

And there ya go!
<em>~That's All Folks~</em>
<em>-Siascon</em>