clix - Lesson 2: Exploring Telephone Tariffs
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Lesson 2: Exploring Telephone Tariffs
  • Activity 1: Looking at a Mobile Bill
  • Activity 2: Cost Effective Plans
  • Activity 3: Tariff Plans
  • Activity 4: Choosing a Cost-effective Plan Using Graph
  • Activity 5: Reference Usage Information
  • Think About These Points
  • Assessment

    Think About These Points

    How to write equations and draw graphs for following situations?

    • Are any free calls/ free messages/ data included?

    • Do call rates change after a certain level of usage.
      For example, for the first 100 minutes call rates are 50 paise/ min, but after that 30 paise/min.

    • Are there different rates for mobile to mobile calling and mobile to landline calling.

    • Is there a plan with unlimited calling.


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