revision of math exam :


speed exercices:
if a bike goes at a speed of 134k/h and takes 7 hours and 20 minutes to get from spain to london .HOW MUCH DISTANCE DID HE TRAVEL?

20/60=0,333   
7+0.333=7.333 hours 
134*7.333=982.622 km the bike travelled


percentage increase:



this is some examples to how to find a percentage of something