1 Acre = 43560 square feet
1 Ton = 2000 pounds
320 Acres = 320 * 43560 square feet = 13939200 = <span>1393.92 * 10,000
</span>1393.92 *40 pounds needed = 55756.8
55756.8 / 2000= <span>27.8784 </span>
Answer is C.9(3r-4) and 27r-36
Step-by-step explanation:
37 hours
You divide 296 by 8 and then you get your answer
V = length×width ×height
V = 9 × 2 × 3
V = 54 units cubed
Answer: Amount of 35% solution required = 100 milliliters
Amount of 87% solution required = 30 milliliters
Step-by-step explanation:
Given: Total solution required = 130 milliliters
Let x = Amount of 35% solution (in milliliters).
Then, Amount of 87% solution required = 130 - x
As per given,
Concentration = 0.35x +0.87(130-x)=0.47(130)
![0.35x +113.1-0.87x=61.1\\\\\Rightarrow\ -0.87x+0.35x=61.1-113.1\\\\\Rightarrow\ -0.52 x= -52\\\\\Rightarrow\ x=\dfrac{52}{0.52}=100](https://tex.z-dn.net/?f=0.35x%20%2B113.1-0.87x%3D61.1%5C%5C%5C%5C%5CRightarrow%5C%20-0.87x%2B0.35x%3D61.1-113.1%5C%5C%5C%5C%5CRightarrow%5C%20-0.52%20x%3D%20-52%5C%5C%5C%5C%5CRightarrow%5C%20x%3D%5Cdfrac%7B52%7D%7B0.52%7D%3D100)
Hence, Amount of 35% solution required = 100 milliliters
Amount of 87% solution required = 130-100 milliliters =30 milliliters