Percent - XYZ Custom Plus

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310Chapter 5 <strong>Percent</strong>D Change each percent to a fraction in lowest terms. [Examples 21–23]37. 60%38. 40%39. 75%40. 25%41. 4%42. 2%_3 5 _ 2 5 _ 3 4 _ 1 4 _ 125 _ 150 43. 26.5% 44. 34.2% 45. 71.87% 46. 63.6% 47. 0.75% 48. 0.45%_53200 _ 171500 _ 7,18710,000 _ 159250 _ 3400 9_2,000 49. 6_1 4 %50. 5_1 4 %51. 33_1 3 % 52. 66_2 3 %_116 _ 21400 _ 1 3 _ 2 3 E Change each fraction or mixed number to a percent. [Examples 24–27]53. 1 _2 50%54. 1 _4 25%55. 3 _4 75%56. _2 3 57. _1 3 58. _1 5 66_ 2 3 % 33_ 1 3 % 20%59. 4 _5 80%60. _1 6 61. _7 8 16_ 2 3 % 87.5%62. 1 _8 12.5%63. 7 _50 14%64. 9 _25 36%65. 3 1 _4 66. 2 1 _8 67. 1 1 _2 68. 1 3 _4 325%212.5%150%175%69. _21 to the nearest tenth of a percent4348.8%70. _36 to the nearest tenth of a percent4973.5%
5.1 Problem Set311Applying the Concepts71. Mothers The chart shows the percentage of womenwho continue working after having a baby.72. U.S. Energy The pie chart shows where Americans gettheir energy.Working Women with Infants1997 50.6%1998 53.4%1999 53.6%2000 52.7%2001 51.0%2002 56.1%2003 53.7%Source: U.S. Department of LaborRole of Renewable Energy In the U.S.Natural Gas 23%Coal 23%Renewable Energy 7%Nuclear Energy 8%Petroleum 40%Source: Energy Information Adminstration 2006Using the chart, convert the percentage for the followingyears to a decimal.a. 1997 0.506b. 2000 0.527c. 2003 0.537Using the chart, convert the percentage to a fraction forthe following types of energy. Reduce to lowest terms.a. Natural Gas _23100 b. Nuclear Energy 2 _25 c. Petroleum 2 _5 73. Paying Bills According to Pew Research, a non-politicalorganization that provides information on the issues,attitudes and trends shaping America, most peoplestill pay their monthly bills by check.Paying Bills74. Pizza Ingredients The pie chart below shows the decimalrepresentation of each ingredient by weight that is usedto make a sausage and mushroom pizza. We see thathalf of the pizza’s weight comes from the crust. Changeeach decimal to a percent.Mushroom and Sausage PizzaCheck 54%Electronic/Online 28%Cash 15%Other 3%Crust 0.5Cheese 0.25Sausage 0.075Mushrooms 0.05Tomato Sauce 0.125a. Convert each percent to a fraction._2750 , 7 _25 , _ 320 , _ 3100 b. Convert each percent to a decimal.0.54, 0.28, 0.15, 0.03c. About how many times more likely are you to paya bill with a check than by electronic or onlinemethods?About 2 times as likely.crust 50.0%cheese 25.0%sausage 7.5%mushrooms 5.0%tomato sauce 12.5%
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RESEARCH PROJECTCredit-Card DebtCre
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362Chapter 5 Percent4. Find the val
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