CSEC MATHEMATICS JANUARY 2013edwardsezmath.weebly.com/uploads/1/3/5/1/13518726/2013...CSEC MATHEMATICS JANUARY 2013 END OF TEST A superstore sells 3 models of cell phones. Model A
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CSEC MATHEMATICS
JANUARY 2013
END OF TEST
A superstore sells 3 models of cell phones. Model A costs $40, model B costs $55 and model C