Course 2, Lesson 2-7 Find the total cost to the nearest cent. 1.
$100 dinner; 20% gratuity 2. $12,300 car; 5% sales tax 3. $12 book;
8.5% sales tax 4. Jordans total phone bill was $85. It included the
usage charges plus a 3% state surcharge. What was his actual charge
for phone usage? 5. The total cost for a plumber was $190. This
included the installation fee plus a 7% service fee. What was the
installation fee? 6. Alexa and Jorge ordered Chinese food delivered
to their home. The total bill was $36. This included $34.29 for the
food and a delivery charge. What percent of the bill was the
delivery charge? Slide 2 Course 2, Lesson 2-7 ANSWERS 1. $120 2.
$12,915 3. $13.02 4. $82. 52 5. $177. 57 6. 5% Slide 3 HOW can
percent help you understand situations involving money? Ratios and
Proportional Relationships Course 2, Lesson 2-7 Slide 4 Ratios and
Proportional Relationships Course 2, Lesson 2-7 Common Core State
Standards Copyright 2010. National Governors Association Center for
Best Practices and Council of Chief State School Officers. All
rights reserved. 7.RP.3 Use proportional relationships to solve
multistep ratio and percent problems. 7.EE.3 Solve multistep
real-life and mathematical problems posed with positive and
negative rational numbers in any form (whole numbers, fractions,
and decimals), using tools strategically. Apply properties of
operations to calculate with numbers in any form; convert between
forms as appropriate; and assess the reasonableness of answers
using mental computation and estimation strategies. Slide 5 Ratios
and Proportional Relationships Course 2, Lesson 2-7 Common Core
State Standards Copyright 2010. National Governors Association
Center for Best Practices and Council of Chief State School
Officers. All rights reserved. Mathematical Practices 1Make sense
of problems and persevere in solving them. 3Construct viable
arguments and critique the reasoning of others. 4Model with
mathematics. 5Use appropriate tools strategically. Slide 6 To
calculate the sale price of an item after a discount or markdown
How to determine the better buy Ratios and Proportional
Relationships Course 2, Lesson 2-7 Slide 7 Ratios and Proportional
Relationships Course 2, Lesson 2-7 discount markdown Slide 8 Ratios
and Proportional Relationships Course 2, Lesson 2-7 Slide 9 Ratios
and Proportional Relationships Course 2, Lesson 2-6 Slide 10 Ratios
and Proportional Relationships Course 2, Lesson 2-6 Slide 11 Ratios
and Proportional Relationships Course 2, Lesson 2-6 Slide 12 Ratios
and Proportional Relationships Course 2, Lesson 2-6 Slide 13 Ratios
and Proportional Relationships Course 2, Lesson 2-6 Slide 14 Ratios
and Proportional Relationships Course 2, Lesson 2-6 Slide 15 Ratios
and Proportional Relationships Course 2, Lesson 2-6 Slide 16 Ratios
and Proportional Relationships Course 2, Lesson 2-6 Slide 17 How
did what you learned today help you answer the HOW can percent help
you understand situations involving money? Course 2, Lesson 2-7
Ratios and Proportional Relationships Slide 18 How did what you
learned today help you answer the HOW can percent help you
understand situations involving money? Course 2, Lesson 2-7 Ratios
and Proportional Relationships Slide 19 How did what you learned
today help you answer the HOW can percent help you understand
situations involving money? Course 2, Lesson 2-7 Ratios and
Proportional Relationships Sample answers: You can find things such
as: the sale price of a DVD that normally costs $22 and is on sale
for 25% off the original price the price of a discounted item after
sales tax is added the original price of cell phone with a sale
price of $239.89, which is a 30% discount Slide 20 Write a short
paragraph that explains how yesterdays lesson on sales tax and tips
helped you with todays lesson. Ratios and Proportional
Relationships Course 2, Lesson 2-7 Slide 21 HOW can percent help
you understand situations involving money? Course 2, Lesson 2-7
Ratios and Proportional Relationships
