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Mathematics, 06.11.2020 21:50 mari0869

Sofia saw a sign that all calculators were 20% off the regular price. She determined that if she substituted the price of the calculator she wants (c) into the expression c - 0.2c, she could find the sale price of the calculator after the discount. What is the expression when written in simplest form?
If the sale price of the calculator was $28.00, what was the original price? Justify your solution.

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Sofia saw a sign that all calculators were 20% off the regular price. She determined that if she sub...
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