Mathematics, 30.10.2020 21:20 saby30

Sofia saw a sign that all calculators were 20% of the regular price. She determined that she substituted the price of the calculator she wants (c) to the expression c-0.2c, she could find the sale price of the calculator after the discount Calculator her the discount
What is the expression when written in simplest form?
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% of the regular price. She determined that she substit...