Hi there!
To find the percent of change we can use the following formula:

Let's fill in our data

Subtract

Divide

And finally multiply

Hence, the percent of change is negative 20%.
~ Hope this helps you!
4 also 2 :))))))))))))))))
18 liters water, 9 liters orange, 6 liters apple, and 3 liters mango
Answer:1 computer : 8 students
Step-by-step explanation:
if there are 9 computers it would originally be 9 : 72 but that can be reduced since 9 is a factor of 72.