For this case we have:
The area of the piece of fabric is given by 
Where


Substituting in the formula of the area we have:




Thus, the area of the piece of fabric is given by: 
Answer:

38.4 is the area. it’s 8.5 ft long so you do 8.5x2 and you get 17, and then for 10.7 you do 10.7x2 and get 21.4, then you add 21.4 and 17 together.
40/10 = 4 x 3.5 = 16 litres
16/2 = 8
Therefore 8 litres of pure water and 8 kites of pure acid
Answer:
Step-by-step explanation:B
The price was marked down. If the price was reduced, we have to sum with the other value to find the original price:

The original price was $105.