Math 112 Sample Final Fall 2012 1. Simplify 45 40 8 2. Subtract 27 22 3. Simplify 10 3 2 4. Subtract 7 13 5. Simplify 34 2 6 32 6. Add 5 12 7. Simplify 35 8 42 6 8. Simplify 3 8 2 9. Simplify by using the order of operations 24.2 12.6 3.8 2.15 10. Simplify by using the order of operations 1 1 1 5 4 2 3 6 3 11. Divide 3 5 16 12 12. Add 13. Add 2 1 3 4 14. Subtract 15. Subtract 9 3 14 7 2 1 3 6 5x 2 x 12 9 1 3 16. Subtract 8 5 5 11 3 2 17. Divide 6 1 4 7 18. Solve 19. Solve 2 3x 14 20. Solve 8m 56 21. Solve 8x 5 3x 10 22. Solve x 24 x 5 5 5 n 9 27 23. Solve 65x 88x 9 24. Solve 3x 9 41 4 60 25. Translate the sentence to an equation then solve. Use x to represent “a number”. Two added to twice a number gives 14 . Find the number. 26. Translate the sentence to an equation then solve. Five subtracted from a number equals 10. Find the number. 27. Translate the sentence to an equation then solve Twice a number subtracted from 60 is 20. Find the number. 28. Translate the sentence to an equation then solve The difference of three times a number and five times the same number is 4. Find the number. 29. Translate the sentence to an equation then solve The product of a number and 3 is twice the difference of that number and 8. Find the number. 30. Translate the sentence to an equation then solve Twice the sum of a number and four is ten. Find the number. 31. Find the product 6 x 4 3x 2 7 x 5 33. Simplify 4 x 2 y 3 4 32. Multiply 3 y 2 6 y 34. Simplify y11 y y 4 35. Multiply 3x 42 x 5 36. Multiply x 3 37. Diane bought a pair of boots on sale. She paid 60% of the original price. If she paid $75 (before tax), how much was the original price? 38. John worked 21 2 1 hours over the last 6 days. If he 2 worked the same amount each day, how long was he at work each day? 39. The temperature at noon on a Monday in December was 11 C . By noon on Tuesday, it had warmed by 17 C . What was the temperature at noon on Tuesday? 40. Mrs. Smith’s first-grade class is going to the zoo. She pays a total of $324 for 36 admission tickets. How much does each ticket cost? 41. Sara has $762 in her savings account. She wants to buy a camera that costs $237. If she buys the camera, how much money will she have in her account? 7 1 10 2 42. Simplify 4 3 5 4 43. Find the perimeter of a rectangle wholes length 7 5 is meter and width is meter 12 12 44. Find the area of a triangle whose base is 4.2 miles and height is 1.1 miles 45. Find the area of a circle whose radius is 5 cm. 22 Use for 7 46. The legs of a right triangle have lengths 35 and 28. Find the length of the hypotenuse. 47. Perform the indicated operation 6 y 3 8 y 5 48. Subtract 16 x 2 x 1 from 12 x 2 3x 12 3 49. Graph the equation y x 4 50. Graph the equation y 3 x 4