Answer:
$276
Step-by-step explanation:
Create a proportion where x is the cost to refinish the larger wood floor:
= 
Cross multiply and solve for x:
3x = 828
x = 276
So, to refinish the larger wood floor, it would cost $276
Answer:
D is 12
Step-by-step explanation:
75 - 63 = 12 = D
255.is the answer because of the 38 and the 48 percent of each of both the x and y and is you add then times them you get 255 as your answer
10.2 x 2 = 20.40
9.4 x 3 = 28.20
Total= 48.60