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CodeSignal

Shopping and Spending with Percentages

via CodeSignal

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Overview

You will use percentages to make smart money decisions on real purchases: discounts, sales tax, tips, and markups. You will calculate each operation cleanly and then combine a discount with a tax in a single purchase, always working from the correct base at each step.

Syllabus

  • Unit 1: Discounts and Sale Prices
    • Complete The Sale Price Statements
    • Find The Discount Amount
    • Finding Sale Prices
    • Explain The Discount Comparison
  • Unit 2: Calculating Sales Tax
    • Finding Sales Tax Amount
    • Finding Total With Sales Tax
    • Explain Receipt Tax Total
  • Unit 3: Calculating Tips and Totals
    • Find The Tip Amount
    • Finding Total With Tip
    • Explain Splitting Dinner Costs
  • Unit 4: Estimating Tips Mentally
    • Complete The Tip Estimate Statements
    • Finding Twenty Percent Tips
    • Estimate Tips From Bills
    • Explain Tip Estimation
  • Unit 5: Calculating Markups on Cost
    • Complete The Markup Statements
    • Find The Selling Price
    • Explain Wholesale Markup Pricing
  • Unit 6: Combining Discounts and Tax
    • Discount and Tax Bases
    • Complete Discount And Tax Statements
    • Finding Checkout Total
    • Explain Checkout Reasoning

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