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A school buys 200 calculators at a special price. x of them were scientific calculators at R89 a piece and the rest were financial calculators at R599 a piece. An expression, in terms of x, for the total
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A school buys 200 calculators at a special price. x of them were scientific calculators at R89 a piece and the rest were financial calculators at R599 a piece. An expression, in terms of x, for the total number of financial calculators bought is ...

User Iflorit
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If "x" is the number of scientific calculators purchased, then the number of financial calculators, in terms of x, must be:
200 - x

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User Igor Korkhov
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