Explanation:
We need to find how far you travel in each case.
The formula is:
Distance = Speed × Time
But we must make sure the units match!
If speed is in miles per hour (mph), time must be in
hours, not minutes.
If speed is in yards per hour, time must be in hours — or convert minutes to hours.
Let’s go one by one:
1.
Car: 2 hours at 100 miles/h
Distance = 100 × 2 =
200 miles
2.
Plane: 4 hours at 400 miles/h
Distance = 400 × 4 =
1,600 miles
3.
Bicycle: 90 minutes at 20 miles/h
First, convert 90 minutes to hours:
90 ÷ 60 = 1.5 hours
Distance = 20 × 1.5 =
30 miles
4.
Helicopter: 20 minutes at 180 miles/h
Convert 20 minutes to hours:
20 ÷ 60 = 1/3 hour ≈ 0.333... hour
Distance = 180 × (1/3) =
60 miles
5.
Walking: 150 minutes at 1,760 yards/h
Convert 150 minutes to hours:
150 ÷ 60 = 2.5 hours
Distance = 1,760 × 2.5
Let’s compute:
1,760 × 2 = 3,520
1,760 × 0.5 = 880
Total = 3,520 + 880 =
4,400 yards
6.
Motorbike: 12 minutes at 75 miles/h
Convert 12 minutes to hours:
12 ÷ 60 = 0.2 hours
Distance = 75 × 0.2 =
15 miles
7.
Tricycle: 30 minutes at 7,040 yards/h
Convert 30 minutes to hours:
30 ÷ 60 = 0.5 hours
Distance = 7,040 × 0.5 =
3,520 yards
Let me double-check each:
- Car: 100 × 2 = 200
✔
- Plane: 400 × 4 = 1,600
✔
- Bike: 20 × 1.5 = 30
✔
- Helicopter: 180 × 1/3 = 60
✔
- Walk: 1,760 × 2.5 = 4,400
✔
- Motorbike: 75 × 0.2 = 15
✔
- Tricycle: 7,040 × 0.5 = 3,520
✔
All correct.
Final Answer:
200 miles, 1600 miles, 30 miles, 60 miles, 4400 yards, 15 miles, 3520 yards
Parent Tip: Review the logic above to help your child master the concept of average speed worksheet.
