Name: ______________________________

Date: February 9, 2017

Homeroom:

7th Grade Math:

Unit: Percents

Packet 90: Percent

Problem Solving 2

Objectives: Scholars will be able to solve real-world percent problems involving

sales tax, discounts and tips.

Agenda:

1. Review Do Now 6. Independent Practice2. College-Ready Vocabulary 7. Exit Ticket3. Discounts (Sales Price) 8. Homework Overview4. Tax5. Tips Homework 90: Percent Problem

Solving 2Do Now:

1. Kara works at a fine jewelry store and earns commission on her total sales for the week. Her weekly paycheck was in the amount of $5,500. Her sales for the week totaled $45,000. Express her rate of commission as a percent, rounded to the nearest whole number.

2. Tim makes 80 gallons of paint by mixing 48 gallons of gray paint with 32 gallons of white paint. What part of every gallon is gray paint?

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College-Ready VocabularyWord Definition Example

Discount/Sales Price

Tax

Tip

Discounts (Sales Price)When you get a discount on an item, are you paying more than the original price or less than the original price?

______________________________________________________________________________

1. The original price of a bicycle is $100. The bike is on sale for 10% off the original price. What is the sales price of the bike?

2. You are shopping for a guitar and find one with an original price of $160. The store is offering a 30% discount on all guitars. What is the sales price of the guitar?

Tax2

When you pay sales tax, the price you pay for the item ________________________, because the sales tax is ___________________ to the price of an item.

1. A video game costs $42.00 but there is a 6% sales tax. What is the total amount that you will pay for the video game?

2. An iPod is on sale for $48 before tax. In Oklahoma, the sales tax is 4.5%. What is the total cost of the iPod in Oklahoma?

Putting it all together:

3. A pair of shoes costs $200. You notice that the shoes have a 30% discount. When you go to pay for the shoes, you are charged a 6% sales tax. What is the final price of the shoes?

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TipsIt is customary to leave between a 10 and 20% tip of the cost of the total meal.

Most often people leave a 15% tip.

1. Your food bill at a restaurant is $24. How much money should you leave if you want to leave a 15% tip?

2. Heaven and Heather spent $25.85 for their meals at a restaurant. About how much money should they leave for a 15% tip?

Independent Practice1. In a department store, a $40 dress is marked, “Save 25%.” What is the

sales price of the dress?

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2. In a grocery store, a $12 case of soda is labeled with a 20% discount. What is the sales price of the soda?

3. In a candy store, a $5.00 jar of candy is labeled as being 50% off. What is the sales price of the candy?

4. The price of a new car is $29,990. If the sales tax rate is 6.5%, then what is the total cost of the car including tax?

5. If the sales tax rate is 7.375% in New York State, then how much would you pay for a pair of pants that cost $34?

6. At Best Buy they have a 42 inch TV that sells for $1,250 and is on sale for 15% off the original price. You also have to pay a sales tax of 6.5%. What is the new price of the TV?

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7. If you go out to eat with 3 friends and your meal was $72.50, there is 6.75% sales tax and you should tip the waiter 15%. How much should each person pay?

8. The list price of a scientific calculator is $100. If you get a price discount of 15% and pay 5% for sales tax, what is the actual cost of your calculator?

9. At Pizza Hut, you bill was $15.97, plus tax. If you want to leave a 20% tip, how much should you tip?

10. A bicycle is on sale for $189.50. The sales tax rate is 5%. What is the total price?

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11. Rosa and her friends are eating out for dinner. The bill was $45.80. They want to leave a 20% tip. How much should they leave for the tip?

12. Megan treated her friends to a fancy dinner. The dinner cost $112. She wants to leave a 20% tip and there is a 6% sales tax. How much did Megan pay for the entire meal?

Challenge:

1. At a restaurant you only have $20 to spend on dinner. In addition to the cost of the meal, you must pay a 5% sales tax and leave a 15% tip. What is the most expensive item you can order? If you think you have a solution, turn this in for dollars!

Practice beyond Perfection-Turn in for Dollars!7

Julian works as a cashier in a music store. A customer wants to pay for a CD that is on sale for 20% off the regular price of $24.00. After the price is discounted, Julian needs to add 10% sales tax to the sale price of the CD.

The customer told Julian that she could save time by just taking 10% off the regular price of the CD, because 20%-10% is 10%. Is the customer right? Explain your reasoning.

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Directions: Answer the following questions. Show all of your work and circle your final answer.

1. You buy a school uniform for $73.30. You are charged a 4% sales tax. How much money did you spend altogether?

2. You see a bicycle at the store that costs $365. There is a sticker next to the bicycle that tells you that the bike is on sale for 30% off. What is the new price of the bicycle?

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Name: ______________________________

Date: February 9, 2017

Homeroom:

Mrs. Petrozzi: (614) 725-9693

7th Grade Math:

Unit: Percents

Packet 90: Percent

Problem Solving 2

Redo: Score: ________/5 _________% DNG A B C D F

3. Mr. McClellan took his family out to dinner. If their bill was $58.65 and they gave their server a 15% tip, how much did they pay altogether?

4. A video game store has a 20% sale on all video games. If the game you wanted cost $32.00, what would the discount be?

5. You wanted to buy a pair of pants that cost $80.00. You had a coupon for 35% off the price of the pants. When you checked out, you also had to pay a sales tax of 7% of the discounted rate. How much do the jeans cost after the discount and tax?

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Name: ______________________________

Date: February 9, 2017

Homeroom:

7th Grade Math:

Unit: Percents

Packet 90: Percent

Problem Solving 2

Directions: Answer the following questions. Circle your final answers. When you finish the exit ticket, place it face down on your desk and assign yourself to your advanced work or an independent reading book.

1. The Sweater Shack is offering a 20% discount on sweaters. If the regular price of a sweater is $15.00, what is the sale price?

2. Your parents took your family out to dinner. Your parents wanted to give the waiter a 15% tip. If the total amount of the dinner was $42.00, what would be paid to the waiter as a tip?

3. If the sales tax for the city of Los Angeles is 9.75%, how much tax would you pay for an item that costs $200.00?

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