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