Student Edition - Mathematics in Context - Britannica

BDiscounts9. Choose three of your mental calculations and describe yoursolution strategy for each one.10. Which of the mental calculations you used in problem 8 arerelated? Explain how they are related.11. Reflect Which of the calculations you used in problem 8 are theeasiest for you to compute mentally? Which of the calculationswould you rather do using a calculator?Percents or Cents?During a sale, Dale offers two types of discounts. Sometimes hegives a cash discount and other times he gives a percent off theregular price.12. a. On Student Activity Sheet 2, you will find a copy of thetable below. For each item in the table, determine whetherthe percent discount or cash discount gives the lower saleprice. Mark your choice on the activity sheet and give anexplanation for it.b. Add two of your own items to the table on the activity sheet.Include the regular prices, two types of discounts, your choice,and an explanation.Item Regular Price Sale Price ExplanationIn-line Skates $55.00Jeans $23.75Cell Phone $75.00Baseball Cap $19.95Sneakers $45.95Earrings $9.95• 30% off• $10.00 off• 20% off• $5.00 off• 25% off• $17.50 off• 15% off• $3.50 off• 20% off• $9.00 off• 40% off• $3.50 off14 More or Less