Question

Ross walks every morning. He can cover 6 miles in 2 hours. His speed is miles per hour. He can cover more miles in 4 hours than he can in 3 hours.

Answer 1

Answer: Yes his speed is 3 miles per hour

Step-by-step explanation: divide by the amout of time in 2 hour and thats how many hours it take to walk that many miles.

Answer 2

• His speed is 3 miles per hour.

• He can cover three more miles in 4 hours than he can in 3 hours.

Explanation:

We know that speed is defined as the ratio of distance over time.

i.e.

`Speed=(distance)/(Time)`

It is given that:

The distance covered by Ross is 6 miles and the time taken by him is: 2 hours.

This means that his speed is:

`Speed=(6\ miles)/(2\ hours)\\\\i.e.\\\\Speed=2\ miles\ per\ hour`

Also,

`Distance=Speed* time`

Hence, distance covered by him in 4 hours at the same speed is:

`Distance=3* 4\\\\i.e.\\\\Distance=12\ miles`

and the distance traveled by him in 3 hours is:

`Distance=3* 3\\\\i.e.\\\\Distance=9\ miles`

Hence, the extra miles he covers in 1 hour is:

`12-9=3\ miles`