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04-01-2018
Mathematics

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A math teacher bought 40 calculators at 8.20dollars eah and a number of other calculators costing 2.95 dollars each. In all she spent 387dollars.How many of the cheaper calculators did she but

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kindfir kindfir

04-01-2018

[tex]40 \times 8.20 = 328 \\ 387 - 328 = 59 \\ 59 \div 2.95 = 20 \\ \\ [/tex]
The math teacher bought 20 cheaper calculators

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