1.
Express $112 for 14 hours as a unit rate.
A.
$11/hr
B.
$8/hr
C.
$9/hr
D.
$112/week
Hint
2.
Which is the best buy: $4.08 for a 16-ounce box of cereal, $4.50 for an 18-ounce box of cereal, or $5.39 for a 22-ounce box of cereal?
A.
There is no best buy because they all have the same unit price.
B.
18-ounce box
C.
22-ounce box
D.
16-ounce box
Hint
3.
Marja bicycled 7 hours a day for 14 days. She traveled 294 miles. What is her unit rate of travel per day?
A.
2 miles per day
B.
42 miles per day
C.
21 miles per day
D.
3 miles per day
Hint
4.
Which of the following is
not
a unit rate?
A.
0.12 molecules per liter
B.
65 miles per hour
C.
3 incidents each day
D.
10 cm every 5 years
Hint
5.
Shuo ran 5 km in 20 min, Poloma ran 15 km in 40 min, and Keisha ran 3 km in 15 min. Who had the highest average speed?
A.
Shuo
B.
None of them; they all ran at the same average speed.
C.
Poloma
D.
Keisha
Hint