Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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A bike with an original price of $90 is discounted 40%. What is the sale
price?
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2.
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A gold chain with an original price of $120 is on sale for $96. What is the
percent of the discount?
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3.
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A remote control airplane with an original price of $85 is on sale for $76.50.
What is the percent of the discount?
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Find the annual interest rate.
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4.
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I = $40, P = $500, t = 16 months
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Find the amount of time.
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5.
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I = $10, P = $100, r = 2%
a. | 3 years | c. | 5 years | b. | 0.1 year | d. | 4 years |
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6.
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A savings account earns 4% annual simple interest. The principal is $1100. What
is the balance after 5 years?
a. | $23,100 | c. | $1320 | b. | $220 | d. | $22,000 |
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Numeric Response
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1.
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A dog shelter had 20 puppies last month. This month, 31 puppies are at the
shelter. What is the percent of change?
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2.
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A pair of boots with an original price of $34.70 is discounted 10%. What is the
sale price?
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3.
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A television with an original price of $120 is on sale for $90. What is the
percent of the discount?
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4.
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After 4 years at 3% simple interest per year, your savings account earns $90.00.
What is the principal?
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5.
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A principal of $19,500 is invested at 6% annual simple interest for 9 years. How
much interest is earned?
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Short Answer
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Identify the percent of change as an increase or decrease. Then
find the percent of change. Round to the nearest tenth of a percent, if necessary.
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1.
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15 grams to 30 grams
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2.
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50 feet to 9 feet
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