Math Problem Statement

Carlos needs a new cell phone. The wireless carrier store has one in stock that Carlos likes for $three hundred eighty. He is a frequent shopper and qualifies for a twenty% discount. Read Me This TextPauseStop Answer the questions below. What is the amount of the discount on the cell phone? Read Me This TextPauseStop Base Cost * Discount Rate = Discount Amount $ Correct Answer * Correct Answer = $ What is the total cost of the cell phone? Base Cost - Discount Amount = Total Cost $ Correct Answer - $ = $ Subtracting a twenty% discount from the base cost of an item is the same as multiplying the base cost of the item by what decimal factor? Read Me This TextPauseStop Using multiplication instead of subtraction, calculate the total cost of the cell phone. Read Me This TextPauseStop Base Cost * Discount Factor = Total Cost $ Correct Answer * = $

Solution

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Math Problem Analysis

Mathematical Concepts

Percentage
Discount Calculation
Multiplication
Subtraction

Formulas

Discount Amount = Base Cost × Discount Rate
Total Cost = Base Cost - Discount Amount
Total Cost = Base Cost × Discount Factor

Theorems

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Suitable Grade Level

Grades 6-8