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Question about Numerical Expression

Math

Originais Teachy

Numerical Expression

Medium

(Originais Teachy 2023) - Question Medium of Math

João is planning his school supplies shopping and realized he needs to save money. He wrote down the total value of books, pencils, and notebooks, and decided to apply a discount to each item. He wrote down the following expression: (3L - 0.5L) + (5C - 2C) + (2P - 0.25P), where L represents the total value of books, C represents the total value of notebooks, and P represents the total value of pencils. The expression represents the total value of the purchases after the discounts. a) Simplify the given expression. b) If L = $50, C = $20, and P = $10, what is the total value of the purchases after the discounts? c) If João managed to make all his purchases with a total value of at most $100, what are the maximum values he could spend on each item, considering the announced discounts?

Answer:

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