Chemistry
Chemistry, 25.06.2019 11:10, mimi8561

Exercise 21. a maths teacher bought 40 calculators at $8.20 each and a numberof other calculators costing $2.95 each. in all she spent $387.how many of the cheaper calculators did she buy?

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Exercise 21. a maths teacher bought 40 calculators at $8.20 each and a numberof other calculators co...

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