Year 9 Speed, Distance and Time Worksheet — Level 2 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 9 ratio & rates worksheet.
Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · Ratio & RatesYear 9 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 90 km at an average speed of 30 km/h. How long does the trip take?
Answer: 3 hours
- time = distance ÷ speed = 90 ÷ 30
- = 3 h = 3 hours
2.Grace travels 60 km in 30 minutes. What is the average speed in km/h?
Answer: 120 km/h
- time = 0.5 h
- speed = distance ÷ time = 60 ÷ 0.5
- = 120 km/h
3.A car travels 67.5 km at an average speed of 90 km/h. How long does the trip take?
Answer: 45 minutes
- time = distance ÷ speed = 67.5 ÷ 90
- = 0.75 h = 45 minutes
4.Grace travels 240 km in 3 hours. What is the average speed in km/h?
Answer: 80 km/h
- time = 3 h
- speed = distance ÷ time = 240 ÷ 3
- = 80 km/h
5.A train travels at 30 km/h for 15 minutes. How far does it travel?
Answer: 7.5 km
- time = 0.25 h
- distance = speed × time = 30 × 0.25
- = 7.5 km
6.A car travels 125 km at an average speed of 100 km/h. How long does the trip take?
Answer: 1 hour 15 minutes
- time = distance ÷ speed = 125 ÷ 100
- = 1.25 h = 1 hour 15 minutes
7.A train travels at 115 km/h for 15 minutes. How far does it travel?
Answer: 28.75 km
- time = 0.25 h
- distance = speed × time = 115 × 0.25
- = 28.75 km
8.A train travels at 80 km/h for 2 hours 30 minutes. How far does it travel?
Answer: 200 km
- time = 2.5 h
- distance = speed × time = 80 × 2.5
- = 200 km
9.Priya travels 12.5 km in 15 minutes. What is the average speed in km/h?
Answer: 50 km/h
- time = 0.25 h
- speed = distance ÷ time = 12.5 ÷ 0.25
- = 50 km/h
10.A train travels at 120 km/h for 30 minutes. How far does it travel?
Answer: 60 km
- time = 0.5 h
- distance = speed × time = 120 × 0.5
- = 60 km
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