1. Solve the proportion = A. B. -18 C. 4.5 D. Hint 2. When a rate is simplified so it has denominator of 1, it is called a(n) ______. A. unit rate B. dimensional rate C. equivalent analysis D. proportional ratio Hint 3. If a toy car measures 1 inch for every one-half foot of an actual car, what is the scale in inches? A. 1:6 B. 1:10 C. 1:1 D. 1:12 Hint 4. 15% of what number is 10.2? A. 0.68 B. 1.53 C. 68 D. 147 Hint 5. Soundous needs a 50% saline solution. She has 60 milliliters of a 40% solution. How many milliliters of a 70% solution should she add to obtain the required 50% solution? A. 30 milliliters B. 90 milliliters C. 270 milliliters D. 180 milliliters Hint 6. The Morrow's have dinner as Shu's Kitchen. The cost of the dinner is \$25. What is the final bill if the sales tax is 4%? A. \$26 B. \$26.50 C. \$24 D. \$35 Hint 7. The probability of an event can best be described as ______. A. B. C. D. Hint 8. One dice is rolled. Find the odds that a number less than 3 is rolled. A. 1:4 B. 1:3 C. 0:1 D. 1:2 Hint 9. If the outcome of one event does not affect the outcome of the other event, then the events are called ______. A. independent events B. complex events C. mutual events D. dependent events Hint 10. Leon wants to build herself a bookshelf. She draws a scale drawing of the bookshelf, shown below. What will the height of the actual bookshelf be if the scale of the drawing is 1 cm = 2 ft? A. 2.1 ft B. 3.2 ft C. 9.8 ft D. 8.4 ft Hint 11. Express as a percent. A. 66% B. 20.75% C. 45% D. 31.25% Hint 12. Joseph and Pedro are selling chocolate bars at the concession stand at a school football game. There are two types of chocolate bars, with nuts and without. They sell 36 of the ones with nuts and 54 of the ones without and make a total of \$44.10. If the chocolate bars with nuts cost ten cents more than the ones without, how much did the chocolate bars with nuts cost? A. \$0.45 B. \$0.59 C. \$0.55 D. \$0.49 Hint 13. Alana wants to buy the new CD by the Raspberries. The CD costs \$15.99, but since she was one of the first 50 customers that day, she gets a 20% discount. How much will the CD cost? A. \$3.20 B. \$19.19 C. \$12.79 D. \$31.98 Hint 14. Events that consist of two or more simple events that are connected by the words and or or are _______. A. inclusive B. compound C. mutually exclusive D. simple Hint