# math

posted by .

a man walks a distance 2 1/2 km in 30 minutes what is his speed in km/hours?

• math -

2.5/30 = x/60

Cross multiply and solve for x.

## Similar Questions

1. ### Math

A man walks a certain distance at a certain speed. If he walks 1/2 an hour faster than his usual speed, he will take one hour less to reach his destination. But if he walks 1 km an hour slower than his usual speed, he will take 3hours …
2. ### algebra

four men qant to cross a bridge. they all begein on the same side. its night and they only have one flash light with them. at most two men can cross the bridge at the same time,and any party who crosses, either one or two people musy …
3. ### physics

A boy walks a total distance of 210 km due North. His starting position is at 20 km and his final position is 34 km. If it takes him 3 hours and 20 minutes to make his trip, what is his velocity?
4. ### Physics

A man walks with an average speed of 1.3 m/s for 45 minutes. How far has he walked?
5. ### physics

A man walks 3 miles east in 1 hour at a constant velocity, then walks 2 miles east at a constant velocity in 20 minutes, then 2 miles east at a constant velocity in 40 minutes, then rests for 1 hour and then turns around and walks …
6. ### math

use : .# x 6 = minutes I did try to do it but came up with numbers like 5.732360456. Plz help P.S. Trying to help my son but can't 0.5 ='s how many hours and minutes 2.5 ='s how many hours and minutes 2.3 ='s how many hours and minutes …
7. ### physics

As part of an exercise program, a woman walks south at a speed of 2.00 m/s for 60.0 minutes. Then she turns around and walks north a distance 3000 m in 25.0 minutes. (a) What is the woman's average velocity during her entire motion?
8. ### math

Ms. Handler walks to work at an average speed of 5 kilometers per hour. If she increases her speed to 6 kilometers per hour, she will save 10 minutes. Find the distance she walks.
9. ### science,physics

Jesse Rose walks along a footpath for 6 minutes.She then cuts across a field, which takes a further 4 minutes.She walks a total distance of 900m. what is her average speed?
10. ### math

Alka walks at the speed of 5 kmph but find that she is late to school by 7 minutes. However next day she walks at the speed of 6 kmph, and reaches school 5 minutes earlear than the usual time. Calculate the distance covered to reach …

More Similar Questions