Answer:
She read her textbook at a speed of 3 chapters per hour.
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: T = 10p
Step-by-step explanation: Since we don't know what is the total weight, we put the an variable, T to represent the total weight. The 10p means that the poilce officer gained 10 Pounds.
1/2 of a mile is divided equally into 3 parts- we need to find the distance between the second and third sign.
1/2 x 1/3 is 1/6.
This means that each sign is 1/6th of a mile apart.
If you have further confusions about the question, please feel free to message me and I will help to the best of my ability!
Hope this Helps!
-Sinnamin
Answer:
2
Step-by-step explanation:


<em>good luck, i hope this helps :)</em>