1. Percent Increase/Decrease
Section 1.4

2. Note Slide: Percent Increase
)(%)(OldOldNew 

3. Homework Slide
 FRCC has increased the number of
parking spaces by 45%. There used
to be 800 parking spaces, how many
are there now?

4. Note Slide
Percent Increase – A Shortcut
%)%100(  OldNew

5. Homework Slide - Let’s redo
the example using the shortcut:
 FRCC has increased the number of
parking spaces by 45%. There used
to be 800 parking spaces, how many
are there now?

6. Group Work
 Do #5abcd on page 63
 Fill in the table on page 64 for John
and Marissa only and answer the
questions below.
 Who benefits from each option?
 What does the result in the Difference
column mean for John? For Marissa?

7. Let’s Start Homework
 Page 22 #1
 Page 23 #4abc
 Finish the assignment at home. This
will be handed in individually…I just
wanted you to get a chance to work
together on harder problems.

8. Note Slide: Percent Decrease
)(%)(OldOldNew 

9. Video Slide
Watch the following video and write the
example in your notes.
http://www.youtube.com/watch?v=WR8crYu0HiU

10. Homework Slide
 Do problems from page 29 #1, 4abc
in class, then finish the assignment at
home.
 My Math Lab problems section 1.4