Overall rating 3 out of 53 (1 rating)
Last updated 06 February 2013, created 28 November 2012, viewed 1,564
Learners given two options of mobile phone contracts. They derive formulae and substitute. Then they rearange the formula to work out how many text they can send if they make a numbe of calls on a budget.
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A nice activity for students to do. Thanks for uploading.