Question

3. (7.4D) If the original quantity is 20 and the new

quantity is 25, what is the percent change

Answer 1

25% increase

Explanation:

`((v_(2)- v_(1)) )/(|v_(1)| )x100`

`(25-20)/(|20|)x100`

=
`(5)/(20)x100`

=0.25×100

=25% change

=25% increase