Answer
9 gallons is the total amount of gas that Erin used
Step-by-step explanation:
If you multiply 24 and 3 and then divide your answer will be 9
How to set up you problem.
25 is a perfect square, the square root of 25 = 5 because 5 * 5 = 25
1/2n - 4 = 5
1/2n = 5 + 4
1/2n = 9
n = 9 * 2
n = 18 <==
Answer:
You find percent of change
by finding the differences between the numbers given
and by setting up a fraction to find the change because percentages deals with fractions
Then you simplify ur fraction by multiplying by 100
Step-by-step explanation:
e.g
find the percent of change from 20 to 80
find their differences
80-20= 60
set up a fraction
60/20
simplify your fraction by multiplying over 100
60/20*100
3*100=300%. answer
