Measures of Central Tendency: Mean, Median and Mode
Module 2 lesson 19
1. Lesson 19.notebook
1
December 03, 2014
Dec. 3rd
HW:
· Lesson 19 Problem Set #3
· CRS # 9 Due Tuesday
Module 2, Lesson 19
Equivalent Expressions
with Rational Numbers
Do Now
Exit Ticket for Lesson 18
13. Lesson 19.notebook
December 03, 2014
13
S.98
Example 3
An item that has an original price of dollars is
discounted 33%.
a. Write an expression that represents the amount of
the discount.
b. Write two equivalent expressions that represent the
new, discounted price.
c. Use one of your expressions to calculate the new,
discounted price if the original price was $56.
d. How would the expressions you created in parts (a) and
(b) have to change if the item‛s price had increased by
33% instead of discounted 33%?
