<p>Problem Solving – RIT 231 – 240</p><p>1. Which letter in the word, “probabilities” would you expect a computer to randomly pick most often?</p><p>A. b B. s C. i D. o E. t</p><p>2. The elevator in the Empire State Building went up 3 floors, down 5 floors, up 2 floors, and then down 6 floors. If it ended on the 4th floor, on which floor did it begin?</p><p>A. 13th floor B. 15th floor C. 8th floor D. 10th floor E. 2nd floor</p><p>3. Solve for x.</p><p>4x + 1 = 2x – 7</p><p>A. x = 4 B. x = -6 C. x = -4 D. x = 3 E. x = -3</p><p>4. Which expression correctly represents the formula to solve the following problem?</p><p>Lisa is 6 years older than Mary. The sum of their ages is 38 years. How old is Mary?</p><p>A. x + y = -38 B. x – 38 = x + 6 C. L + M = 38 D. 2x + 6 = 38 E. x – 6 = 38 5. Interest formula: I = prt</p><p>How much interest is earned in two years on $200 in a bank account at an interest rate of 6%?</p><p>A. $6 B. $24 C. $12 D. $2.40 E. $8</p><p>6. Find the missing number in this pattern: 3, 9, 27, ___, 243</p><p>A. 30 B. 36 C. 54 D. 81 E. 124</p><p>7. If the distance from Idaho Falls to Salt Lake City measures 25 inches on a map with a scale of 1 inch = 10 miles, how many miles is it from Idaho Falls to Salt Lake City?</p><p>A. 250 miles B. 10 miles C. 25 miles D. 1,000 miles E. 500 miles</p><p>8. If Jason mows fifteen lawns he will earn enough money to buy a bicycle. Suppose Jason has mowed twelve lawns. What can you determine?</p><p>A. Jason has enough money for his bike. B. Jason has enough money to buy a bike and a helmet. C. Jason needs to mow one more lawn in order to buy a bike. D. Jason needs to mow three more lawns in order to buy the bike. E. Jason needs to mow eight more lawns in order to buy a bike. 9. A $30.00 pair of jeans is discounted 20%. If sales tax is 5%, what will be the final price of the jeans?</p><p>A. $25.20 B. $22.80 C. $24.00 D. $28.35 E. $22.80</p><p>10.Identify the correct equation for the solution:</p><p>X = 5</p><p>A. 3x + 4 = 19 B. 2y = 4 C. 3 – x = 10 D. x + 17 = 10 E. x + 7 = x – 9</p><p>11.A store has a sale in which all items are on sale for 20% off. The tax at the store is 5%. Which expression models the cost (c) for an item with the original price (p)?</p><p>A. c = [p – (.20)p] [1.05] B. c = (.20) (1.05)p C. c = [p + (.20)p] [1.05] D. c = [p – 20p] (.05) E. c = [p – 20p] 5</p>