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Exam 5: Ratio, Proportion, and Percent

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Question 121

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Fill in the blank with one of the words or phrases listed below. Some words may be used more than once. $\begin{array}{lllllll}\text { not equal } & \text { equal } & \text { compound interest } & \text { cross products } & \text { percent } & \text { is } & \text { sales tax } \\\text { unit rate } & \text { ratio } & \text { percent of decrease } & \text { unit price } & \text { base } & \text { of } & \text { amount }\\0.01 & \frac{1}{100} & \text { amount of discount } & \text { proportion } & \text { total price } \\100 \% & \text { rate } & \text { percent of increase } & \text { sale price } & \text { commissio }\\\end{array}$ -______= commission rate · sales.

A) Sale price
B) Total price
C) Commission
D) Amount of discount

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Question 122

Multiple Choice

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Write the rate as a fraction in simplest form. -180 miles in 20 minutes

A) $\frac { 9 \text { miles } } { 1 \text { minute } }$
B) $\frac { 1 \text { mile } } { 9 \text { minutes } }$
C) $\frac { 180 \text { miles } } { 20 \text { minutes } }$
D) $\frac { 45 \text { miles } } { 5 \text { minutes } }$

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Question 123

Multiple Choice

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Solve. -0.9% of what number is 12.6?

Solve. -134.4 is what percent of 28?

Write the percent as a decimal. -60%

Fill in the blank with one of the words or phrases listed below. Some words may be used more than once. $\begin{array}{lllllll}\text { not equal } & \text { equal } & \text { compound interest } & \text { cross products } & \text { percent } & \text { is } & \text { sales tax } \\\text { unit rate } & \text { ratio } & \text { percent of decrease } & \text { unit price } & \text { base } & \text { of } & \text { amount }\\0.01 & \frac{1}{100} & \text { amount of discount } & \text { proportion } & \text { total price } \\100 \% & \text { rate } & \text { percent of increase } & \text { sale price } & \text { commissio }\\\end{array}$ -A(n) ______is used to compare different kinds of quantities.

Solve. Round all dollar amounts to the nearest cent, if necessary. -The bank requires the Whitcher family to make a down payment of 26% of the purchase price of their new home. If the purchase price is $276,000, how much is their down payment?

Solve. -23 is 1% of what number?

Solve. -On an architect's blueprint, 1 inch corresponds to 4 feet. If an exterior wall is 24 feet long, find how long the blueprint measurement should be. Write answer as a mixed number if necessary.

Solve. -A $250 painting is on sale at 5% off. Find the sale price.

Solve. -Currently 31 out of every 50 American adults drink coffee every day. In a town with a population of 6600 adults, how many of these adults would you expect to drink coffee every day?

For the proportion, find the unknown number n. - $\frac { \frac { 1 } { 3 } } { \frac { 3 } { 9 } } = \frac { 17 } { n }$

Write the percent as a decimal. -47%

Fill in the blank with one of the words or phrases listed below. Some words may be used more than once. $\begin{array}{lllllll}\text { not equal } & \text { equal } & \text { compound interest } & \text { cross products } & \text { percent } & \text { is } & \text { sales tax } \\\text { unit rate } & \text { ratio } & \text { percent of decrease } & \text { unit price } & \text { base } & \text { of } & \text { amount }\\0.01 & \frac{1}{100} & \text { amount of discount } & \text { proportion } & \text { total price } \\100 \% & \text { rate } & \text { percent of increase } & \text { sale price } & \text { commissio }\\\end{array}$ -A(n) ______is a "money per item" unit rate.

Fill in the blank with one of the words or phrases listed below. Some words may be used more than once. $\begin{array}{lllllll}\text { not equal } & \text { equal } & \text { compound interest } & \text { cross products } & \text { percent } & \text { is } & \text { sales tax } \\\text { unit rate } & \text { ratio } & \text { percent of decrease } & \text { unit price } & \text { base } & \text { of } & \text { amount }\\0.01 & \frac{1}{100} & \text { amount of discount } & \text { proportion } & \text { total price } \\100 \% & \text { rate } & \text { percent of increase } & \text { sale price } & \text { commissio }\\\end{array}$ -If cross products are______ the proportion is true.

Solve. -How much commission will an agent make on the sale of a $298,600 house if she receives 1.5% of the selling price?

Solve. Round to the nearest cent, if necessary. -$2500.00 is borrowed for 3 years. If the interest on the loan in $375.00, find the monthly payment.

Solve. -Write the equivalent decimal and fraction for 2%.

Determine whether the proportion is a true proportion. - $\frac { 32 } { 28 } = \frac { 9 } { 8 }$

Solve. -Find the simple interest when: Principal = $14,100, Rate = 16%, Time = $5 \frac { 1 } { 2 }$ year years