B. Exercises
Exercise 1
Directions: Solve each problem using any method and choose the letter of the
correct answer.
Example:
Justin took a 3-hour bicycle trip. In all, he traveled 60 kilometers. What was
his average rate of speed?
A. 20 km/h
B. 36 km/h
C. 63 km/h
D. 180 km/h
Answer:
A
1. Britney has 150 kilometers to travel and drives at 60 km/h. How long does
Britney’s journey take?
A. 2.5 h
B. 3.5 h
C. 4.5 h
D. 5.5 h
2. A man drove 55 km/h for 3.5 hours. What was the distance the man traveled?
A. 51.5 km
B. 90 km
C. 192.5 km D. 200 km
3. Dorothy ran 1000 meters in 12.5 minutes. What was his average speed?
A. 25 m/min B. 30 m/min C. 40 m/min
D. 45 m/min
Answer:
1. A
2. C
3. 80 m/min
Step-by-step explanation:
I think all the choices in number 3 is wrong because my solution answer is 80m/min
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