Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Write the ratio in lowest terms, without using decimals. to
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2.
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A car travels 68 miles on 4 gallons of gas. Give the ratio of miles to gallons
as a rate in miles per gallon.
a. | 17 mi/gal | b. | 16 mi/gal | c. | 18
mi/gal | d. | 15 mi/gal | e. | 14 mi/gal |
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3.
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Find the missing term in the proportion.
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4.
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Find the missing term in the proportion.
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5.
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A basketball player scores 160 points in 10 games. At this rate how many points
will he score in 20 games?
a. | 320 points | b. | 322 points | c. | 323
points | d. | 319 points | e. | 321 points |
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6.
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A solution contains 7 pints of antifreeze and 4 pints of water. How many pints
of water must be added to 28 pints of antifreeze to get a solution with the same
concentration?
a. | 19 pt | b. | 17 pt | c. | 20
pt | d. | 18 pt | e. | 16 pt |
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7.
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The size of a model train relative to an actual train is referred to as its
scale. Each scale is associated with a ratio as shown in the table below. For example, an HO model
train has a ratio of to , meaning it is as large
as an actual train. How long is an actual box car that has a LGB scale model inches
long? SCALE | RATIO | | LGB | 1 to 22.5 | #1 | 1 to 32 | O | 1 to 43.5 | S | 1 to 64 | HO | 1 to 87 | TT | 1 to 120 | | | |
a. | 433 in | b. | 430 in | c. | 431
in | d. | 429 in | e. | 432 in |
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8.
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The problem contains a pair of similar figures. For this pair of figures, set up
a proportion in order to find the unknown.
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9.
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A new graphics card can increase the resolution of a computer's monitor.
Suppose a monitor has a horizontal resolution of 800 pixels and a vertical resolution of 600 pixels.
By adding a new graphics card the resolutions remains in the same proportions, but the vertical
resolution increases to 864 pixels. What is the new horizontal resolution?
a. | 1,152 pixels | b. | 1,252 pixels | c. | 1,352
pixels | d. | 1,202 pixels | e. | 1,302 pixels |
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10.
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A building casts a shadow 128 feet long, while a 25-foot flagpole casts a shadow
32 feet long. How tall is the building?
a. | 102 ft | b. | 104 ft | c. | 100
ft | d. | 96 ft | e. | 98 ft |
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Numeric Response
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1.
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Miles/Liter
A car pulling a trailer can travel 147 miles on 49
liters of gas. What is the gas mileage in miles per liter?
Please enter your answer as a
number without the units.
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2.
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Cents/Pound
A 7-pound bag of cat food costs $14.70. Give the unit
price in dollars per pound.
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3.
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Miles/Hour
A train travels 270 miles in 5 hours. What is the rate
of the train in miles per hour?
Please enter your answer as a number without the units.
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4.
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Miles/Gallon
If a truck travels 145.1 miles on 9.6 gallons of gas,
what is the gas mileage in miles per gallon?
Please enter your answer as a number without the
units. Round the result to the nearest tenth.
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5.
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Find the missing term in the proportion.
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6.
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Find the missing term in the proportion.
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7.
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Find the missing term in the proportion.
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8.
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Find the missing term in the proportion.
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9.
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A traveling salesman figures it costs ¢ for every mile he drives his
car. How much does it cost him a week to drive his car if he travels miles a
week? $__________
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10.
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Map Reading
The scale on a map indicates that 1 inch corresponds
to an actual distance of 90 miles. Two cities are 5.5 inches apart on the map. What is the actual
distance between the two cities?
Please enter your answer as a number without the
units.
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Short Answer
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1.
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Write the ratio in lowest terms, without using decimals. to
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2.
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GeometryFrom the diagram below, find the ratio of DE to
AE, if AC = a = 24, CE = b = 16, DE = c =
52. Please enter your answer as a fraction in
lowest terms.
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3.
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Name the means, name the extremes, and show that the product of the means is
equal to the product of the extremes. Means:
__________ Extremes: __________ Products: __________
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4.
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Find the missing term in the proportion. Write your answer as a fraction in
lowest terms.
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5.
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The size of a model train relative to an actual train is referred to as its
scale. Each scale is associated with a ratio as shown in the table below. For example, an HO model
train has a ratio of to , meaning it is as large
as an actual train. How long is an actual box car that has a LGB scale model inches
long? Give your answer in inches, then divide by to give the answer in
feet. SCALE | RATIO | | LGB | 1 to 22.5 | #1 | 1 to 32 | O | 1 to 43.5 | S | 1 to 64 | HO | 1 to 87 | TT | 1 to 120 | | | |
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