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Grade 7 HMH Go Math - Answer Keys
Chapter 5: Proportions and Percent; Lesson 3: Applications of Percent
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Guided Practice |
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Question 7
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Brandon buys a radio for $43.99 in a state where the sales tax is 7%.
a. How much does he pay in taxes?
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Question 7
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b. What is the total Brandon pays for the radio?
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Question 8
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Luisa’s restaurant bill comes to $75.50, and she leaves a 15% tip. What is Luisa’s total restaurant bill?
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Question 9
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Joe borrowed $2,000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in 5 years?
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Question 10
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You have $550 in a savings account that earns 3% simple interest each year. How much will be in your account in 10 years?
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Question 11
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Martin finds a shirt on sale for 10% off at a department store. The original price was $20. Martin must also pay 8.5% sales tax.
a. How much is the shirt before taxes are applied?
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Question 11
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b. How much is the shirt after taxes are applied?
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Question 12
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Teresa’s restaurant bill comes to $29.99 before tax. If the sales tax is 6.25% and she tips the waiter 20%, what is the total cost of the meal?
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Essential Question Check-In |
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Question 13
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How can you determine the total cost of an item including tax if you know the price of the item and the tax rate?
Type below:
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