% Tip or Discount

CONCEPTS

Types

• Given a Tax %, Tip % => New amount = Original (1 + %)

• Given a Discount % => New amount = Original (1 - %)

PRACTICE PROBLEMS

Question 1 If a dress is discounted by 30% twice and the discounted dress is taxed 10%, what is the price if the original price is $10?

-- Answer -- $5.39

$10 (1 – 30%) (1 – 30%) (1 + 10%) = $5.39

ACT PRACTICE PROBLEMS

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