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1.
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Select the term to complete the sentence.
A comparison of two quantities measured in different units is
called a ______________ .
a. | ratio | b. | rate | c. | proportion |
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2.
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Select the unit rate.
a. | 100 m / 10 s | c. | 45 km/h | b. | 160 L / 250 people | d. | 150 beats / 2
min |
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3.
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Calculate the unit rate.
984 km in 12
hours
a. | 82 | b. | 0.012 km/h | c. | 98.4 km/h | d. | 82
km/h |
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4.
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Calculate the unit cost.
5 jars of juice of
14.45
a. | $2.89/jar | b. | 2.89 | c. | $0.35/jar | d. | $5/jar |
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5.
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Calculate the unit cost.
$21.99 for a 454 g bag of frozen cooked
scallops
a. | 0.0484 | b. | $20.65/g | c. | $0.05/g | d. | $5/g |
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6.
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Calculate the hourly rate.
Robert
worked 37.5 h and earned $346.88
a. | $9.25 | b. | $0.11/h | c. | $0.93/h | d. | $9.25/h |
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7.
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Justine drove 725 km in 8 h. At this rate, about how far will Justine drive in
9.5 h?
a. | 861 km | b. | 91 km/h | c. | 1088 km | d. | 95
km/h |
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8.
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Which is the better price?
2 containers
of yogurt for $0.89 or 9
containers of yogurt for $4.30
a. | 2 containers of yogurt for $0.89 | b. | 9 containers of yogurt for
$4.30 |
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9.
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Two different types of tickets are selling for the next big concert. Each hour,
one hundred $55 tickets are sold for seats on the floor. Every two hours, one hundred and fifty $40
tickets are sold for seats in the stands. Determine the rate of sale for each type of ticket being
sold.
a. | floor tickets: $55/h
stand tickets: $40/h | b. | floor tickets: 100
tickets/h
stand tickets: 75 tickets/h |
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10.
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For the problem in question 9, suppose there are only 375 stand tickets left to
sell. How long will it take for these tickets to sell out?
a. | 3.75 h | b. | 5 h | c. | 2.1 h | d. | 3 h |
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