Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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At 4:18 P.M., you have 96 megabytes of MP3
songs. By 4:35 P.M., you have 1031 megabytes. What is the
download rate in megabytes per minute?
a. | 60.6 MB per min | c. | 26.7 MB per min | b. | 5.6 MB per min | d. | 55 MB per min |
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Use the table to find the rate with the specified units.
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2.
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servings per batch Batches | 3 | 6 | 9 | 12 | Servings | 22.5 | 45 | 67.5 | 90 | | | | | |
a. | 22.5 servings per batch | c. | 22.5 batches per
serving | b. | 7.5 batches per serving | d. | 7.5 servings per batch |
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3.
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miles per gallon Gallons | 2 | 6 | 10 | 14 | Miles | 51.2 | 153.6 | 256 | 358.4 | | | | | |
a. | 51.2 gallons per mile | c. | 25.6 miles per gallon | b. | 51.2 miles per
gallon | d. | 25.6 gallons per
mile |
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Use the table to write a proportion.
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4.
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| June | July | Hits | 20 | 29 | At Bats | 34 | x | | | |
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5.
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| Morning | Evening | Miles | 8 | 7 | Minutes | t | 35 | | | |
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6.
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Last year, your team bought 11 baseball caps for $55. This year, the cost per
cap is the same. Write a proportion that gives the cost c of buying 15 baseball caps.
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Short Answer
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Write the ratio as a fraction in simplest form.
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1.
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28 tents to 44 campsites
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2.
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150 strokes : 36 golf holes
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Tell whether the ratios form a proportion.
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3.
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4.
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5.
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6.
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You have to survey other students for a project. You survey 76 students in 2
school days. Your friend surveys 114 students in 3 school days. Are these rates proportional?
Explain.
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Tell whether the two rates form a proportion.
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7.
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20 feet in 25 minutes; 28 feet in 42 minutes
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8.
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16 inches in 20 seconds; 32 inches in 40 seconds
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9.
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128 units produced in 4 hours; 192 units produced in 6 hours
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10.
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450 calories in 3 servings; 880 calories in 6 servings
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Interpret each plotted point in the graph of the proportional
relationship.
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11.
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