Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
| 1. | Select the term to complete the sentence.
A comparison of two quantities measured in different units is
called a _____.
a. | ratio | b. | rate | c. | scale factor | d. | proportion | | |
|
|
| 2. | Select the unit rate.
a. | 100m / 10s | b. | 160 L/ 250
people | c. | 45 km/h | | |
|
|
| 3. | Calculate the unit rate.
935 km in 11.5
hours
a. | 81.3 | b. | 81.3 km/h | c. | 0.01
km/h | | |
|
|
| 4. | Calculate the unit cost:
5 jars of juice
for $14.45
a. | $2.89/jar | b. | $2.89 | c. | $0.35/jar | | |
|
|
| 5. | Calculate the unit cost.
$21.99 for a
454g bag of frozen cooked scallops
a. | 0.04844 | b. | $0.05/g | c. | $20.65/g | | |
|
|
| 6. | Calculate the hourly rate.
Robert worked
37.5 hours and earned $346.88
a. | $9.25 | b. | $0.11/h | c. | $9.25/h | | |
|
|
| 7. | Justin drove his van 725 km in 8 hours. At this rate, how far will Justin drive
in 9.5 hours?
(round to the nearest km)
a. | 91
km/h | b. | 860
km | c. | 1088
km | | |
|
|
| 8. | What
is the better price:
2 containers of
yogurt for 89 cents or 9 containers for $4.30?
a. | 2 containers of
yogurt for 89 cents | b. | 9 containers for $4.30 | | |
|
|
| 9. | 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 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 | | | | |
|
|
| 10. | 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?
|