PLEASE HELP ASAP 40 POINTS Calculate the percent increase or decrease between the starting and ending quantities
below. Round your answer to one decimal place.

Start: 3
End: 10

Start: 9
End: 20

Start: 100
End: 85

Start: 45
End: 20

Start: 30
End: 60

1. 70%.

2. 45%

3.-15%

4. 20 something%?

5. 50%

Step-by-step explanation:

increase of 70%

im not sure sorry!

decrease of 15%

im not sure

im not sure

im so sorry i do not know all of them, but i know some!

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

step-by-step explanation:

bob the banana