You have to know the difference in change, so you do 59-31 and you get 28, then since you want to know the change in percent you divide the difference, which is 28 and divide that by 31, which is the original amount consumed, and you get 28/31, and you get .90 which is 90%
Answer:

Step-by-step explanation:
Answer:
circumference - diameter
circumference - 2 times radius
area - radius squared
Step-by-step explanation:
we know that
<u><em>The circumference of a circle is equal to</em></u>
or 
where
D is the diameter and r is the radius
therefore
or 
The number pi is the ratio circumference - diameter or is the ratio circumference - 2 times radius
<u><em>The area of the circle is equal to</em></u>

therefore

The number pi is the ratio Area - radius squared
The surface area of that cheese would be ≈2325.99 in^3
Answer:
$24.60
Step-by-step explanation:
$73.80/3 = $24.60