/50 = /25•2
/25 • /2 further written as
5 • /2 simplified form
so A
Answer:
Therefore the third container contains = 43.23 % acid.
Step-by-step explanation:
Given that, One container is filled with the mixture that 25% acid. 55% acid is contain by second container.
Let the volume of first container be x cubic unit.
Since the volume of second container is 55% larger than the first.
Then the volume of the second container is
cubic unit.
cubic unit.
The amount of acid in first container is
cubic unit.
cubic unit.
The amount of acid in second container is
cubic unit.
cubic unit.
Total amount of acid cubic unit.
cubic unit.
cubic unit.
Total volume of mixture cubic unit.
cubic unit.
cubic unit.
The amount of acid in the mixture is
Therefore the third container contains acid.
You have 10 batteries 3/10 are dead there are only 7/10 batteries that are good. So the expected number of good batteries you could get is 7.
The first answer is the correct one
Answer:
70
Step-by-step explanation:
The exterior angle is equal to the sum of the opposite interior angles
x = 30+40
x = 70