1. ACT QUESTION OF THE DAY Part 8

2. 1. A radio station offers free competitions. Normally, one in every twenty contestants wins the free competition. What is the probability of losing the free competition? A. 1/20 B. 1/19 C. 19/20 D. 19/1

3. 2. A flight with a low-cost airline travels 9  10 3 miles per hour for 3  10 -2 hours. How far has this cheap flight traveled? A. 135 miles B. 270 miles C. 900 miles D. 1350 miles

4. 3. A company purchases cell phones at a cost of x and sells the cell phones at four times the cost. What equation below represents the profit made on each sell phone? A. x B. 3x C. 4x D. 3 - x

5. 4. | √4 - 12 | = ? A. -8 B. -10 C. 8 D. 10

6. A. 1: 100 B. 99: 100 C. 1: 99 D. 99: 1 5. In a shipment of 100 mp3 players, 1% are faulty. What is the ratio of non-faulty mp3 players to faulty mp3 players?

7. Answer Key 1. The correct answer is C. 20 /20 - 1 /20 = 19 /20 2. The correct answer is B. (9  10 3 miles per hour)  (3  10 -2 hours) = 9  3  10 (3 + -2) = 9  3  10 1 = 9  3  10 = 270 miles 3. The correct answer is B. In this problem, the sales price is 4x and the cost is x. 4x - x = Profit 3x = Profit 4. The correct answer is D. | √4 - 12 | = | 2 - 12 | = | -10 | = 10 5. The correct answer is D. 1%  100 = 1 faulty player in every 100 players. 100 - 1 = 99 non-faulty players. So the ratio is: 99: 1