Algebra › Section B · Solving linear equations and inequalities › Topic B.4
Mixture and uniform motion problems
Money in a jar and cars on a road look like different worlds, but both problems hide the same multiplication. Learn the two models and the chart that organises them, and a whole family of word problems becomes routine.
In this topic
- Two classic families
- The value model
- Worked example: coins in a jar
- Distance = rate × time
- Opposite directions: add the distances
- Same direction: matching distances
- Worked example: the late car catches the bus
- Round trips: one distance, two speeds
- Common mistakes to avoid
- Key takeaways
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