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Exam 4: Percent Notation

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Question 81

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Translate to an equation and solve. - $\$ 17$ is $4 \%$ of what?

A) $\$ 42.5$
B) $\$ 425$
C) $\$ 68$
D) $\$ 4250$

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Question 82

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Solve the problem. Round your answer to the nearest cent. -If inflation is $3 \%$ a year compounded annually, what will it cost in 12 years to buy a house currently valued at $\$ 75,000$ ?

A) $\$ 103,817.54$
B) $\$ 110,140.03$
C) $\$ 106,932.07$
D) $\$ 89,671.36$

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Question 83

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Write the word or phrase that best completes each statement or answers the question. -Write a sentence or statement using words and numbers that includes a percent, a base, and an amount. Identify the parts.

Find fractional notation for the ratio. You need not simplify. -77.11 to 29.43

Use a proportion to solve the problem. -The 6th hole at the Riverwoods Golf Course is 375 yards long. How long would it be on a model with a scale of 2.5 inches to 75 yards?

Find percent notation. -0.448

Find percent notation. -1.2

Solve the problem. -In one town, 224 of the 1750 people who voted in the last presidential election are Hispanic. What percent is this?

Use a proportion to solve the problem. -The prize money in a competition will be divided between the $3 \mathrm{rd}$ , 2nd, and 1st place winners as $1: 2: 4$ . That is, the second place winner will receive 2 times as much as the third place winner and the first place winner will receive 4 times as much as the third place winner. If the total amount of prize money is $\$ 3500$ , how should the money be divided among the three winners?

Find the compound amount for the deposit. Round to the nearest cent. - $\$ 11,000$ at $8 \%$ compounded semiannually for 6 years

Solve the problem. -Students at Maple School earned $\$ 568$ selling candles. They want to make $\$ 2000$ for a club trip. What percent of their goal has been reached?

Find percent notation. - $\frac{4}{3}$ Round to the nearest tenth, if necessary.

Solve. -Sales of frozen pizza for a club fund-raiser increased from 500 one year to 560 the next year. What was the percent of increase?

Translate to an equation and solve. When necessary, round to the nearest hundredth. -What is $150 \%$ of 4260 ?

Determine whether the two pairs of numbers are proportional. -5, 13 and 10, 26

Solve. -The price of a printer was reduced from $\$ 400$ to $\$ 300$ . What was the percent of decrease?

Find percent notation for the fraction notation in the sentence. - The pie chart shows the majors for 480 college students at Blackwood Community College. $\frac{180}{480}$ of the students are majoring in science. Find percent notation for $\frac{180}{480}$ .

Write the word or phrase that best completes each statement or answers the question. -Juan and Pete are on the same salary. Juan receives a $10 \%$ raise followed by an $8 \%$ raise a year later. Pete receives an $8 \%$ raise followed by a $10 \%$ raise a year later. After the two salary raises, whose salary is higher? Explain your answer.

Solve the problem. Assume that simple interest is being calculated in each case. Round your answer to the nearest cent if necessary. -Allan borrowed $\$ 4200$ from his father to buy a car. He repaid him after 9 months with interest of $11 \%$ per year. Find the total amount he repaid.

Solve the problem. -Ellen sells $\$ 570$ worth of clothes and earns $\$ 51.30$ in commission. What is the commission rate?