Should you just add and divide by 2 for average speed? Calculating round trips over the same distance

You travel at 60 km/h on the way there and 40 km/h on the way back. If you make a round trip over the same distance, is the ...
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Speed, Distance and Time | I Do, We Do, You Do | Year 9 Maths | Print Free Lesson

Build confidence with speed, distance and time—and tackle the unit conversions and multi-stage journeys that pupils often find difficult. This editable Year 9 maths PowerPoint gives you a complete ...