Practice!

Sample Problem

Chris took 2 hours to travel from museum to school at an average speed of 30 mph. If Tyler took 0.5 h longer than Chris to complete the same journey, what was Tyler's average speed?

  mph

Solution

Recall the formula: Speed × Time = Distance

Distance of the journey: 30 × 2 = 60 miles

Recall the formula: Distance ÷ Time = Speed

The time for Tyler: 2 + 0.5 = 2.5 h

Thus, speed of Tyler: 60 ÷ 2.5 = 24 mph