Answer:
i don't see the 2 one
Step-by-step explanation:
I think "u" stands for units.
means units squared which is like saying ft^2 if you were looking for the area of something with feet dimensions. So in this case, the circle has a diameter of x units (u) and an area of x units^2 (
). It is not the same as r. "r" is most always going to be used to represent the radius.
For the first one the price per ounce is:
$4.56/15oz=0.304 dollars per ounce, which rounds to 0.3
For the second:
$5.98/25oz=0.2392 dollars per ounce, which rounds to 0.24
The second is the cheapest price per ounce and rounds to $0.24/oz so 0.24 is the answer
Answer:400
Step-by-step explanation:
3 hours: 400 times 2=800
6 hours: 800 times 2=1600
9 hours: 1600 times 2=3200
12 hours: 3200 times 2=6400
15 hours: 6400 times 2= 12800
18 hours: 12800 times 2=25,600
21 hours: 25,600 times 2= 51200
24 hours: 102,400