A horse ran at a constant speed for 4 hours. Then, it decreased its speed by 7 mph for the

remaining 442 miles. If the total distance was 730 miles, how long did it take to travel the

remaining 442 miles?

14.7

6.8

• 6.5

7.2

Question

Physics

Bridget English

11 May, 16:29

A horse ran at a constant speed for 4 hours. Then, it decreased its speed by 7 mph for the

remaining 442 miles. If the total distance was 730 miles, how long did it take to travel the

remaining 442 miles?

14.7

6.8

• 6.5

7.2

+3

Answers (1)

Know the Answer?

Tamara Watts · Answer 1

Distance travelled in 4 hours ...

730 - 442 = 288 miles

Speed for the 4 hours;

Speed = 288/4 = 72 miles/hour

Speed for the rest of 442 miles ...;

(72 - 7) = 65 miles/hour

Time taken for 442 miles ...

Time taken = Distance/Speed

; 442/65 = 6.8

Time taken = 6.8 hours

A horse ran at a constant speed for 4 hours. Then, it decreased its speed by 7 mph for theremaining 442 miles. If the total distance was 730 miles, how long did it take to travel theremaining 442 miles?14.76.8• 6.57.2

A horse ran at a constant speed for 4 hours. Then, it decreased its speed by 7 mph for the

remaining 442 miles. If the total distance was 730 miles, how long did it take to travel the

remaining 442 miles?

14.7

6.8

• 6.5

7.2