Answer:
x=4
Step-by-step explanation:
Step 2 and 3 are incorrect,
4x+8 = 24
24-8 = 16
it should then be 4x=16
you then divide by 4 on each side
x=4
Answer:
The answer is 80%.
Step-by-step explanation:
During a certain day, a worker made 81 parts.
He usually does 45 parts per day.
Number of extra parts made = 
The percent by which he increased the number of parts he usually makes can be given as =
= 80%
Therefore, on that day, the percent increased by 80%.
904.78 is the amount of air it can hold.
Hello!
Let's write this as a proportion and solve.

We cross-multiply, giving us the equation below.
25x=175
We divide both sides by 25.
x=7
Therefore, the cities are 7 inches apart.
I hope this helps!