Name: Date: Cumulative Practice for Chapters 4 to 7 Find the missing term in each pair of equivalent ratios. 1. 7 : 15 ⴝ 63 : : 13 ⴝ 48 : 104 2. Write each ratio in simplest form. 3. 36 : 90 4. 56 : 91 5. 60 inches : 3 feet 6. 2 pounds : 24 ounces Express each decimal as a percent. 7. 0.76 8. 1.09 © Marshall Cavendish International (Singapore) Private Limited. Express each fraction as a percent. 9. 13 20 10. 7 12 Express each percent as a decimal. 11. 9% 12. 150% Express each percent as a fraction in simplest form. 13. 88% 14. 120% Extra Practice Course 1A (M)IF_P6(EP)_CP_85-90.indd 85 85 4/25/11 12:32:53 PM Name: Date: Find the quantity represented by each percent. 15. 45% of 96 quarts 16. 60% of 60 minutes Evaluate each expression for the given value of the variable. 17. 9x 29 if x 6 19. 2(3x 6) 5x 4 if x 10 2 18. 7y 10 if y 4 20. 5y 4 10 4y 6 if y 5 3 3 Simplify each expression. 22. 7 8y 3 3y 5 6y Expand each expression. 23. 4(6q 3) 24. 7(5 7y ) 3(y 1) Factor each expression. 25. 12g 4g 4 86 26. 40 10h 9 4h © Marshall Cavendish International (Singapore) Private Limited. 21. 9w 8 6w 3 4w Cumulative Practice for Chapters 4 to 7 (M)IF_P6(EP)_CP_85-90.indd 86 4/21/11 7:51:59 PM Name: Date: Write an algebraic expression for each of the following. 27. A number is 7 more than the product of 6 and p. 28. The total cost of 2 notebooks if 8 notebooks cost a total of y dollars. 29. Jacob has m nails and twice as many bolts as nails. He buys another 20 nails and 30 bolts. Find the total number of nails and bolts Jacob has now. © Marshall Cavendish International (Singapore) Private Limited. 30. Anya has 2p trading cards. Ben has three times as many trading cards as Anya. Colin has half as many trading cards as Ben. Find the total number of trading cards they have altogether. 31. Jon has y stickers. He uses 20 stickers and divides the remainder equally between his two sisters. Find the number of stickers each sister receives. Extra Practice Course 1A (M)IF_P6(EP)_CP_85-90.indd 87 87 4/21/11 7:51:59 PM Name: Date: Solve. Show your work. 32. A car traveled a distance of 124 miles in 2.5 hours. Find the speed of the car. 33. Wyatt swims 500 yards in 5 minutes and 15 seconds. What is his swimming speed in yards per minute, to the nearest whole yard? 34. The table shows the rental fees for a concert hall. First 2 hours $180 per hour Each additional hour $115 35. 4 2 of Abel’s books are equal to of Bella’s books. What is the ratio 7 5 of Abel’s books to Bella’s books? 88 © Marshall Cavendish International (Singapore) Private Limited. What is the total rental fee if Mrs. Wu rents the concert hall for 5 hours? Cumulative Practice for Chapters 4 to 7 (M)MIF_EP6A_CP_04-07.indd 88 7/12/11 4:21:52 PM Name: Date: 36. There are 84 students in the Glee Club. There are 12 more boys than girls. What is the ratio of the number of girls to the number of boys? 37. The table shows how much money Jake spent last week. Expense Entertainment Bus fare School supplies Food Amount $12 $5 $6 ? © Marshall Cavendish International (Singapore) Private Limited. Jake spent 40% of his money on entertainment and school supplies. How much did he spend on food? Extra Practice Course 1A (M)IF_P6(EP)_CP_85-90.indd 89 89 4/21/11 7:51:59 PM Name: Date: 38. Of the people at Sunrise School, 40% are female students, 5% are staff, and the remaining people are male students. There are 270 more male students than female students. How many people are at Sunrise School? Solve. Draw a model to help you. © Marshall Cavendish International (Singapore) Private Limited. 39. At a cafeteria, 25% of the sandwiches for sale are chicken sandwiches. The remaining sandwiches are tuna sandwiches and turkey sandwiches. The ratio of tuna sandwiches to turkey sandwiches is 5 : 4. There are 152 more tuna sandwiches than chicken sandwiches. How many sandwiches does the cafeteria have for sale? 90 Cumulative Practice for Chapters 4 to 7 (M)IF_P6(EP)_CP_85-90.indd 90 4/21/11 7:51:59 PM
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