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9th Grade Speed, Distance and Time Worksheet — Level 2 — Practice Set 4 — Answers

Answer sheet with worked solutions for the 9th Grade ratios & rates worksheet.

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Success TutoringWorksheetsAnswer sheet9th Grade · Mathematics · Ratio & Rates

9th Grade Speed, Distance and Time Worksheet — Level 2 — Practice Set 4 — Answers

Use speed = distance ÷ time, distance = speed × time and time = distance ÷ speed. Change minutes to hours (÷ 60) before calculating.

1.A car travels 22.5 km at an average speed of 45 km/h. How long does the trip take?

Answer: 30 minutes

  1. time = distance ÷ speed = 22.5 ÷ 45
  2. = 0.5 h = 30 minutes
2.Olivia travels 100 km in 2 hours 30 minutes. What is the average speed in km/h?

Answer: 40 km/h

  1. time = 2.5 h
  2. speed = distance ÷ time = 100 ÷ 2.5
  3. = 40 km/h
3.Leo travels 125 km in 2 hours 30 minutes. What is the average speed in km/h?

Answer: 50 km/h

  1. time = 2.5 h
  2. speed = distance ÷ time = 125 ÷ 2.5
  3. = 50 km/h
4.Layla travels 18.75 km in 45 minutes. What is the average speed in km/h?

Answer: 25 km/h

  1. time = 0.75 h
  2. speed = distance ÷ time = 18.75 ÷ 0.75
  3. = 25 km/h
5.A train travels at 25 km/h for 1 hour 30 minutes. How far does it travel?

Answer: 37.5 km

  1. time = 1.5 h
  2. distance = speed × time = 25 × 1.5
  3. = 37.5 km
6.Ethan travels 10 km in 30 minutes. What is the average speed in km/h?

Answer: 20 km/h

  1. time = 0.5 h
  2. speed = distance ÷ time = 10 ÷ 0.5
  3. = 20 km/h
7.A car travels 93.75 km at an average speed of 75 km/h. How long does the trip take?

Answer: 1 hour 15 minutes

  1. time = distance ÷ speed = 93.75 ÷ 75
  2. = 1.25 h = 1 hour 15 minutes
8.Mason travels 21.25 km in 15 minutes. What is the average speed in km/h?

Answer: 85 km/h

  1. time = 0.25 h
  2. speed = distance ÷ time = 21.25 ÷ 0.25
  3. = 85 km/h
9.Ruby travels 315 km in 3 hours. What is the average speed in km/h?

Answer: 105 km/h

  1. time = 3 h
  2. speed = distance ÷ time = 315 ÷ 3
  3. = 105 km/h
10.A train travels at 95 km/h for 3 hours. How far does it travel?

Answer: 285 km

  1. time = 3 h
  2. distance = speed × time = 95 × 3
  3. = 285 km
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