Suppose x quarts of the 50% solution
0.5x+0.2*20=0.4(x+20)
0.5x+4=0.4x+8
0.1x=4
x=40
Answer:

Step-by-step explanation:
In order to find the answer to this question you must simply divide.





Hope this helps
1:24 and 2:20 and 3:30 and 4:16 and 5:12
<span>A cylinder has a radius of 12.2 inches and a height of 6.1 inches. What is the volume of the cylinder to the nearest tenth in³?
</span><span>C. 2852.3 in³</span>