Sure! Let’s solve each of the
Speed and Distance Word Problems step by step. We’ll use the basic formula:
>
Distance = Speed × Time
> or rearranged:
>
Time = Distance ÷ Speed
>
Speed = Distance ÷ Time
We must pay attention to
units — especially converting minutes to hours (since speed is usually in miles per hour).
---
Problem 1:
> Yesterday I drove 150 minutes at a speed of 100 miles/h. How many miles did I drive?
Step 1: Convert minutes to hours.
150 minutes = 150 ÷ 60 =
2.5 hours
Step 2: Use Distance = Speed × Time
Distance = 100 mph × 2.5 h =
250 miles
✔ Answer: 250 miles
---
Problem 2:
> A bird can fly at a speed of 50 miles/h. If the bird flies for 90 minutes, what distance will it have flown?
Step 1: Convert 90 minutes to hours.
90 ÷ 60 =
1.5 hours
Step 2: Distance = Speed × Time
= 50 mph × 1.5 h =
75 miles
✔ Answer: 75 miles
---
Problem 3:
> I usually walk at a speed of 0.75 miles per 30 minutes. How long will it take me to walk from my house to the supermarket 1.5 miles down the road?
Step 1: Find walking speed in miles per hour.
If you walk 0.75 miles in 30 minutes, then in 60 minutes (1 hour), you’d walk:
0.75 miles × 2 =
1.5 miles per hour
Step 2: Use Time = Distance ÷ Speed
Time = 1.5 miles ÷ 1.5 mph =
1 hour
✔ Answer: 1 hour
*(Alternatively, since 0.75 miles takes 30 minutes, then 1.5 miles (double the distance) takes 60 minutes — same answer.)*
---
Problem 4:
> Yesterday I ran 9.6 miles at an average speed of 0.4 miles per 5 minutes. How long did it take me to run the 9.6 miles?
Step 1: Find speed in miles per hour.
0.4 miles per 5 minutes → how many miles per 60 minutes?
Number of 5-minute intervals in 60 minutes = 60 ÷ 5 = 12
So, speed = 0.4 × 12 =
4.8 miles per hour
Step 2: Time = Distance ÷ Speed
= 9.6 miles ÷ 4.8 mph =
2 hours
✔ Answer: 2 hours
*(Alternative: Since 0.4 miles takes 5 minutes, then 9.6 miles is 9.6 ÷ 0.4 = 24 intervals of 5 minutes → 24 × 5 = 120 minutes = 2 hours.)*
---
Problem 5:
> The distance between 2 cities is 7,200 miles. How long will it take a plane that flies at 600 miles/h to travel between the 2 cities?
Step 1: Use Time = Distance ÷ Speed
Time = 7,200 miles ÷ 600 mph =
12 hours
✔ Answer: 12 hours
---
Problem 6:
> The distance between my house and my school is 8 miles and takes 10 minutes by bus. How fast is the bus?
Step 1: Convert time to hours.
10 minutes = 10 ÷ 60 =
1/6 hour ≈ 0.1667 hours
Step 2: Speed = Distance ÷ Time
= 8 miles ÷ (1/6) h = 8 × 6 =
48 miles per hour
✔ Answer: 48 miles per hour
---
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✔ Final Answers Summary:
1.
250 miles
2.
75 miles
3.
1 hour
4.
2 hours
5.
12 hours
6.
48 miles per hour
Let me know if you want these explained with diagrams or formulas again!
Parent Tip: Review the logic above to help your child master the concept of distance rate time word problems worksheet.