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7th Grade Speed, Distance and Time Worksheet — Level 3 — Practice Set 3 — Answers

Answer sheet with worked solutions for the 7th Grade ratios & rates worksheet.

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Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Ratio & Rates

7th Grade Speed, Distance and Time Worksheet — Level 3 — Practice Set 3 — Answers

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

1.A car travels 90 km at an average speed of 120 km/h. How long does the trip take?

Answer: 45 minutes

  1. time = distance ÷ speed = 90 ÷ 120
  2. = 0.75 h = 45 minutes
2.Olivia travels 112.5 km in 1 hour 15 minutes. What is the average speed in km/h?

Answer: 90 km/h

  1. time = 1.25 h
  2. speed = distance ÷ time = 112.5 ÷ 1.25
  3. = 90 km/h
3.A car travels 100 km at an average speed of 120 km/h. How long does the trip take?

Answer: 50 minutes

  1. time = distance ÷ speed = 100 ÷ 120
  2. = 0.8333 h = 50 minutes
4.A train travels at 30 km/h for 40 minutes. How far does it travel?

Answer: 20 km

  1. time = 0.6667 h
  2. distance = speed × time = 30 × 0.6667
  3. = 20 km
5.A train travels at 120 km/h for 1 hour 30 minutes. How far does it travel?

Answer: 180 km

  1. time = 1.5 h
  2. distance = speed × time = 120 × 1.5
  3. = 180 km
6.A train travels at 30 km/h for 50 minutes. How far does it travel?

Answer: 25 km

  1. time = 0.8333 h
  2. distance = speed × time = 30 × 0.8333
  3. = 25 km
7.A train travels at 90 km/h for 1 hour 15 minutes. How far does it travel?

Answer: 112.5 km

  1. time = 1.25 h
  2. distance = speed × time = 90 × 1.25
  3. = 112.5 km
8.Max travels 180 km in 1 hour 30 minutes. What is the average speed in km/h?

Answer: 120 km/h

  1. time = 1.5 h
  2. speed = distance ÷ time = 180 ÷ 1.5
  3. = 120 km/h
9.A car travels 180 km at an average speed of 120 km/h. How long does the trip take?

Answer: 1 hour 30 minutes

  1. time = distance ÷ speed = 180 ÷ 120
  2. = 1.5 h = 1 hour 30 minutes
10.A train travels at 120 km/h for 1 hour 40 minutes. How far does it travel?

Answer: 200 km

  1. time = 1.6667 h
  2. distance = speed × time = 120 × 1.6667
  3. = 200 km
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