Retake of Unit 3A Test: Percent Applications AKS 4 Big Idea 1 (S)

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Mrs. Faahs wanted to sell her laptop. She priced it at $800 on the first day. On the second day, she reduced the price by 20%. What was the price of the laptop after this reduction?

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The Smith family wants to buy a new refrigerator. The regular price is $1,200. The store is offering a 15% discount, and a sales tax of 8% is added after the discount. What is the total cost of the refrigerator?

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Ms. Dolinski wants to get a new Stanley! The table below shows the original price and the discount offered at three stores.

Mrs. Dolinski wants to get the best deal. Which store offers her the Stanley at the best price?

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Sara bought her tablet for $300.00. She saw the same tablet on sale at the same store for $255.00 a week later. What is the percent discount that Sara could have received on her tablet if she waited a week to buy it?

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Anthony puts $400 in a bank account. Each year the account earns 7% simple interest. How much interest will be earned in three years?

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Sarah earns a 7% commission on her total sales at her job.

Part A: Last week, Sarah's total sales were $2,500. How much did she earn in commission? _______ (just type in the number!)

Part B: Sarah wants to save up $245 in commission to buy a new smartphone. What must Sarah's total sales be for the week to reach her goal? Show your work to find the answer. _______ (just type in the number!)

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A store charges a universal restocking fee for any returned item based on a certain percentage of the item price. 

Part A: An item priced at $200 has a restocking fee of $15, and an item priced at $240 has a restocking fee of $18. What percentage of the item price is the restocking fee? _______ 

Part B: If you return an item that has an original price of $300, how much is the restocking fee? Show your work to find the answer. _______ 

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The local farmers market has a universal tax rate applied to all its items. 

Determine the tax rate and complete the remaining values 1-5 for these items._______ 
1) Carrot tax: _______  (just type in the number! No dollar sign!)
2) Beans tax: _______  (just type in the number! No dollar sign!)
3) Beans total: _______  (just type in the number! No dollar sign!)
4) Tomatoes tax: _______  (just type in the number! No dollar sign!)
5) Tomatoes total: _______  (just type in the number! No dollar sign!)

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Sarah started a savings account with $200, and after a few months, she had $450 in the account. She claimed that the final amount was 225% of her initial savings. Is Sarah's statement CORRECT? Justify your answer with work or mathematical reasoning.

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Liam was calculating the problem below using 2 different methods and was unable to find the correct answer. Find the errors in his methods and solve the problem correctly.

Liam has a coupon for a 10% discount at Electronics World. He wants to buy a new smartphone priced at $450.

His Work:


What mistake did Liam make in method 1? __________
What mistake did Liam make in method 2? __________
What is the correct amount Liam will pay for the coat after the discount? __________

Mrs. Faahs wanted to sell her laptop. She priced it at $800 on the first day. On the second day, she reduced the price by 20%. What was the price of the laptop after this reduction?

The Smith family wants to buy a new refrigerator. The regular price is $1,200. The store is offering a 15% discount, and a sales tax of 8% is added after the discount. What is the total cost of the refrigerator?

Ms. Dolinski wants to get a new Stanley! The table below shows the original price and the discount offered at three stores.Mrs. Dolinski wants to get the best deal. Which store offers her the Stanley at the best price?

Sara bought her tablet for $300.00. She saw the same tablet on sale at the same store for $255.00 a week later. What is the percent discount that Sara could have received on her tablet if she waited a week to buy it?

Anthony puts $400 in a bank account. Each year the account earns 7% simple interest. How much interest will be earned in three years?

Sarah started a savings account with $200, and after a few months, she had $450 in the account. She claimed that the final amount was 225% of her initial savings. Is Sarah's statement CORRECT? Justify your answer with work or mathematical reasoning.

Ms. Dolinski wants to get a new Stanley! The table below shows the original price and the discount offered at three stores.

Mrs. Dolinski wants to get the best deal. Which store offers her the Stanley at the best price?