1.
Teresa is competing in a bicycle race which is 12 miles long. If her speed is an average of 3 miles per hour, how long will it take her to finish the race? Use the equation
d
=
rt
where
d
is the distance in miles,
r
is the average speed in miles per hour, and
t
is the time in hours.
A.
3.5 hours
B.
4 hours
C.
3 hours
D.
2.5 hours
Hint
2.
Write 8 to 5 as a decimal.
A.
0.625
B.
8.5
C.
1.6
D.
0.85
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.
21 miles per day
B.
42 miles per day
C.
2 miles per day
D.
3 miles per day
Hint
4.
A jet aircraft can fly 2,500 miles in 4 hours. How far can it fly in one hour?
A.
62.5 mi
B.
6,250 mi
C.
6.25 mi
D.
625 mi
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.
None of them; they all ran at the same average speed.
B.
Poloma
C.
Keisha
D.
Shuo
Hint