Student Edition - Mathematics in Context - Britannica

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DMore or LessThe copier they are using enlarges to only 200%. They will need tomake several enlargements.b. How can they do this? Use arrow language to describe theenlargements they might use.4. Which multiplication calculation can you use to find the total costof an item that has a 12% sales tax?Salali buys the following items. (Prices do not include tax.)Envelopes $2.05A set of 12 pens $5.99A birthday card $1.80A magazine $3.955. Find Salali’s total bill including 12% tax.You have used percent bars, double number lines, arrow language,and multiplications to describe increases and decreases. Which onedo you prefer? Why?34 More or Less
Additional PracticeSectionAProduce PricingRed Delicious apples are priced at $2.40 per kilogram.1. Estimate the cost of the apples.a. b.Paul has $7 to spend on apples.2. How many kilograms of Red Delicious apples can he buy?3. Describe how to calculate the cost of the following amounts ofapples, priced at $3.60 per kilogram, using a ratio table.a. 8 kg b. 2 1 4kg c. 1.6 kgAt Veggies-R-Us, customers use a special scale to find the cost ofproduce. It prints these receipts.a. b. c. d.Pears Cucumbers Red Peppers Potatoes$2.75/kg $2.19/kg $4.25/kg $0.99/kg1.35 kg 2.86 kg 3.87 kg 0.63 kgTotal: $37125 Total: $62634 Total: $16448 Total: $62370Unfortunately, the scale is not printing the decimal point for thetotal price.4. Use estimation to determine what the total price should be oneach of the receipts.Additional Practice 35
Page 1 and 2: Moreor LessNumber
Page 3 and 4: The Mathematics in Context Developm
Page 6 and 7: Dear Student,This unit is about the
Page 8 and 9: AProduce PricingCarol is a customer
Page 10 and 11: AProduce PricingWhen Carol is finis
Page 12 and 13: AProduce Pricing1.92Paul calculated
Page 14 and 15: AProduce PricingThere are many ways
Page 16 and 17: AProduce PricingPaul has $7 to spen
Page 18 and 19: BDiscountsThe second survey questio
Page 20 and 21: BDiscounts9. Choose three of your m
Page 22 and 23: BDiscounts• Results of a survey c
Page 24 and 25: CMany ChangesDesign a SignSave Supe
Page 26 and 27: CMany ChangesProfit FractionsThe ow
Page 28 and 29: CMany ChangesMs. Jao decided to use
Page 30 and 31: CMany ChangesTo calculate the sale
Page 32 and 33: DMore or LessEnlarge or ReduceMarit
Page 34 and 35: DMore or LessThe group wants to mak
Page 36 and 37: DMore or Less• A third method use
Page 38 and 39: DMore or LessIn this section, you s
Page 42 and 43: Additional PracticeSectionBDiscount
Page 44 and 45: Additional PracticeDuring his prese
Page 46 and 47: Answers to Check Your WorkThe price
Page 48 and 49: Answers to Check Your Work• Calcu
Page 50 and 51: Answers to Check Your Work5. Answer
Page 52 and 53: Answers to Check Your Work• Using

Student Edition - Mathematics in Context - Britannica

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