To Find :
How many gallons of a 80% antifreeze solution must be mixed with 100 gallons of 20% antifreeze to get a mixture that is 70% antifreeze.
Solution :
Let, x gallons of 80% antifreeze solution is required :
So,

Therefore, 500 gallons of 80% antifreeze solution is required.
Answer:
for #14, x=10
Step-by-step explanation:
in the graph, 6x = 5x +10 so if x was 10 it would be 60 = 60 so x = 10
Answer:
6 meters
Step-by-step explanation:
Area is length times width. If the width is 10 and the area is 60, then you would find 10 times ??? equals 60. Or 60 divided by 10. which is 6
Answer: 6
Step-by-step explanation:
3x = 18
Divide 18 by 3
x = 6
Answer:
49 degrees.
Step-by-step explanation:
Since the line is 180 degrees, and both of the angles that are measured would equal 180, then all we need to do is take 180 - 131 to get 49 degrees. Hope this helped!
-Kirito