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Chapter 7 - Mathematics of Buying

Chapter 7 - Mathematics of Buying. Section 2 - Single Discount Equivalents. Objective 1. Express a Series Discount as an Equivalent Single Discount. Equivalent Single Discount. Series Discount Convert to an equivalent single discount. 15/5. 19.25%. 15/5 = 19.25%.

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Chapter 7 - Mathematics of Buying

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  1. Chapter 7 - Mathematics of Buying Section 2 - Single Discount Equivalents

  2. Objective 1 Express a Series Discount as an Equivalent Single Discount

  3. Equivalent Single Discount • Series Discount • Convert to an equivalent single discount 15/5 19.25% 15/5 = 19.25%

  4. Series Discount w/ Complements 1 of 3 • Determine the net cost using complements. • Now determine the single discount equivalent of the series discount. What are the complements of each discount? List Price: $2,350 Series Discount of : 20/10 Net Cost = ______ Original Cost: 100% Discount: - % Net Cost: 72% 28 80% and 90% $2,350 x 0.80 x 0.90 = $1,692 Net cost equivalent = 0.72

  5. Series Discount w/ Complements 2 of 3 • Determine the net cost using complements. • Now determine the single discount equivalent of the series discount. What are the complements of each discount? List Price: $689 Series Discount of : 25/15 Net Cost = ______ Original Cost: 100% Discount: - % Net Cost: 63.75% 36.25 75% and 85% $689 x 0.75 x 0.85 = $439.24 Net cost equivalent = 0.6375

  6. Series Discount w/ Complements 3 of 3 • Determine the net cost using complements. • Now determine the single discount equivalent of the series discount. What are the complements of each discount? List Price: $1,265 Series Discount of : 30/20 Net Cost = ______ Original Cost: 100% Discount: - % Net Cost: 56% 44 70% and 80% $1,265 x 0.70 x 0.80 = $708.40 Net cost equivalent = 0.56

  7. Practice • Chapter 7, Section 2 • Pages 277 - 278 • #3 – 8 (net cost equiv. and single discount equiv. • #23, 24 applications

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