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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asked Feb 11, 2019 181k views

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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

Mathematics
middle-school

YPennylane asked

by YPennylane

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$40 * 8.20 = 328 \\ 387 - 328 = 59 \\ 59 / 2.95 = 20 \\ \\$
The math teacher bought 20 cheaper calculators

Sebs answered Feb 18, 2019

by Sebs

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