Review Exercises 89 Section 1.3 For Exercises 29 and 30, identify the minuend, subtrahend, and difference. 29. 30. 102 78 24 14 8 6 For Exercises 31 and 32, subtract and check your answer by addition. 31. Check: 32. Check: 11 37 41 61 37 11 61 41 For Exercises 33–36, subtract. 33. 34. 2005 1389 299 1884 35. 36. 86,000 54,981 67,000 32,812 For Exercises 37–40, translate the English phrase into a mathematical statement and simplify. 37. 38 minus 31 38. 111 decreased by 15 39. Subtract 42 from 251 40. The difference of 90 and 52 41. There were 95,191,761 tons of watermelons and 23,299,323 tons of cantaloupes produced in a recent year.What is the difference between the weight of the watermelons and the weight of the cantaloupes? 21. For each of the mathematical statements, identify the property used. Choose from the commutative property or the associative property. a. 6 18 22 18 22 6 b. 6 18 22 16 82 2 c. 6 18 22 6 12 82 For Exercises 22–25, translate the English phrase to a mathematical statement and simplify. 22. The sum of 403 and 79 23. 92 added to 44 24. 7 more than 36 25. 23 increased by 6 26. The table gives the number of cars sold by three dealerships during one week. Honda Ford Toyota Bob’s Discount Auto 23 21 34 AA Auto 31 25 40 Car World 33 20 22 a. What is the total number of cars sold by AA Auto? b. What is the total number of Fords sold by these three dealerships? 27. The bar graph represents the distribution of the U.S. population by age group for a recent year. Determine the number of seniors (aged 60 and over). U.S. Population by Age Group 90,000 80,000 28. Find the perimeter of the figure. 30 m 44 m 25 m 25 m 53 m Number of People (in Thousands) 70,000 60,000 50,000 40,000 30,000 20,000 10,000 0 0–19 20–39 40–59 60–79 80 and over 80,473 81,430 73,721 35,377 10,420 Source: U.S. Census Bureau 42. For a recent year, Phil Mickelson earned $25,800,000 from both the golf tours and endorsements.Vijay Singh earned $18,600,000. Find the difference in their earnings.
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