Midterm Review Part 2
Answer the following questions. Take your time and double check your answers!!!
26. Which of these fractions is closer to 3 on the number line? a. 5/2 b. 9/4 c. 7/2 d. 1/3 27. Express 0. 000567 in scientific notation. 28. Insert a fraction between the given fractions. 2/4 and 3/5
29. 45% of the students in the eighth grade at Ramsey Junior High are in sports. What fraction is that? a. 45/10 b. 5/9 c. 9/20 d. 45/1000 30. Write the following as a decimal: 6. 2% b. 8% 31. Which of the following is equivalent to 3/5? a. 6% b. 60% c. 60 d. 6
32. The Wiz advertises a CD player that regularly sells for $65 at a 15% discount. Best Buy advertises the same model CD player at 20% off its regular $75 price. Which is the better offer and how much is saved by taking it? 33. 115% of 52
34. Sue and John had dinners that cost $12. 05 and $13. 5. They decided to leave a 20% Tip. Find, to the nearest penny, the amount of the tip. a. $20. 44 b. $30. 54 c. $ 30. 66 d. $5. 11 35. Alex and Dan went to lunch and decided to leave a 15% tip. If Alex's meal was $6. 65 and Dan's meal was $9. 65 What was the amount of the tip? What was the total cost of their lunch?
36. Ann deposits $6530 in a savings account that pays 5% interest a year. How much will the principal of $6530 accumulate to at the end of three years? Use calculator to compute your answer. 37. $11, 500 is invested at 6. 25% compounded annually for 7 years. How much money will the investment yield after 7 years? Round to the nearest penny.
38. Find the square root of 88 to the nearest two decimal places. 39. Name the number that describes the situation: – 15 degrees below zero – 120 feet above sea level – A loss of 4 yards
40. -9 + 4 + (-3) 41. 12 – (-3) + (-2) – 5 42. 60 ÷ -5 43. On Tuesday afternoon the temperature was -2 degrees. That night it dropped 10 degrees, and the next morning it rose 25 degrees. What was the temperature on Wednesday morning?
Solve the equation: 44. y + 5 = -12 45. 20 = y – 3 46. 3 y – 2= 10 47. -14 = 4 - 3 p 48. -4 (y - 2) = y
49. To solve 8 = y + 5: – what operation must be undone? – What must you do to each side of the equation?
50. What expression does each diagram represent? a. 3 X 2 + 2 X + 3 c. X 2 + 5 b. 2 X 2 + 3 X + 2 d. 3 X 2 + 3 X + 2 1 1 X 2 X