Answer:
Step-by-step explanation:
start with 0
round 1 : lose 3 1/2
round 2: wins 28 1/2
round 3 : lose 3 1/2
0 - 3 1/2 + 28 1/2 - 3 1/2 =
28 1/2 - 7 =
21 1/2 <==== thats 21 and 1/2 points
Let OC is x, so OC=OB=x
Answer: OC=3 points
(-10 + 5n) = 35
5n = 45
n = 9.
Hope this helps!
Not really 100% sure how to answer this, but if you would like to find the price of any item 10% off, you would just multiply the price by 0.9
EX: item cost $100
$100 x 0.9 = $90
Meaning the price of the item after the discount is applied would be $90