Answer:
its de
Step-by-step explanation:
because i took the test
The average of a set of numbers
Step-by-step explanation:
An Example: 4×3 gives you the value of 12.
Percent decrease : (original number - new number) / original number)...x 100
(13.00 - 7.50) / 13.00 = 5.5/13 = 0.42....x 100 = 42% decrease