Speed distance and time problem

From restaurant to house A,distance is 25km.time is 20 min but must change to hour so is 1/3 hour.

a)so speed= to distance/time= 25/1/3hour=75km/hour.ANS:75km per hour

b)From House A to B,distance is 16.2km,speed is the same as from restaurant to House A so the speed is 75km/hour.


c) the questions is he then travels back to the restaurant at an average speed of 50km/hour and reaches the restaurant at 12.08pm.

What is the distance between House A and B?
this c) question I don't know how to do so can help me?

Click here to post comments

Join in and write your own page! It's easy to do. How? Simply click here to return to math help forum.

Find a Math Word here

Can't find the word you are looking for? Do a search here and type your word in the box below

Good, better best.

Never, ever rest.

Until your good is better

And your better is your best.

Like this website?

Like it on facebook!

"I am getting much better test marks and I have been moved up a set"
Age 13

"High school's great, I'm in a good math set and I understand lots of things, thanks to you"
Eleanor Talbot
Age 11

"I really like math now, you just make it more friendly and normal"
Jess Johnson
Age 18

"Your writing style is great, informative but friendly! My 12 year old son still struggles with basic maths. I can see your website will be a real treasure trove for us :)"
New Zealand

"My grades have improved and I am doing much better than everyone else in my class"
Age 14

"Thanks for teaching me fractions, You made it so easy kalamuni!"
Abrar Haider
Age 8