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Ready4	<p>A school currently maintains a fixed number of students per class. If the ratio of students per class were to be increased by 1, 10 fewer classes would be run for a total of 120 students. What is the current ratio of students per class? p>
Ready4	<p>During the last two minutes before a lecture began, the number of occupied seats in an auditorium increased from 112 to 135. If the number of occupied seats at the beginning of the lecture was 75 percent of total capacity, how many seats in the auditorium were empty two minutes prior to the lecture?p>
Ready4	<p>The people at a workshop are from the countries England, France, and Japan in the ratio $7:2:4$ , respectively. If $520$ total people are at the workshop, how many more people are from England than from Japan?p>
Ready4	<p>Cyclist $A$ averages 19.9 miles per hour and Cyclist $B$ averages 15.1 miles per hour. If each cycle rides 1,500 miles, approximately how many more hours will Cyclist $B$ ride than Cyclist $A$ ?p>
Ready4	<p>In a water tank, $\frac{3}{4}$ of the volume is occupied by water and the remainder of the volume is occupied by air. If a contaminant occupies $\frac{1}{3}$ of the water, by volume, and 20 percent of the air, what percent of the volume of the water tank is contaminated?p>
Ready4	<p>Pat bought both carrots and onions from a store. If each carrot cost $1.10, each onion cost $0.50, and the purchase of carrots and onions totaled $11.00, what total number of carrots and onions did Pat buy?p>
Ready4	<p>During a certain season, a team won 80 percent of its first 80 games and 56 percent of its remaining games. If the team won $\frac{2}{3}$ of its games in the entire season, what was the total number of games that the team played?p>
Ready4	<p>How many distinct prime numbers between 1 and 30 are factors of 3,366?p>
Ready4	<p>If there are 6 more girls than boys in a room, and there are 14 boys and girls in the room, how many are girls?p>
Ready4	<p>If $n$ is a prime number greater than 3, what is the remainder when $n^{2}$ is divided by 6?p>
Ready4	<p>A certain characteristic in a large population has a distribution that is symmetric about the mean m. If 95 percent of the distribution lies within two times the standard deviation, d, away from the mean, then what percent of the distribution is greater than $m + 2 d$ ?p>
Ready4	<p>A tank contains 1,000 gallons of a solution that is 6 percent salt by volume. If 200 gallons of water evaporate from the tank, the remaining solution will be approximately what percent salt?p>
Ready4	<p>What is the largest integer k for which $81^{k} < 3^{27}$ ?p>
Ready4	<p>If 60 percent of a class answered the first question on a certain test correctly, 60 percent answered the second question on the test correctly, and 60 percent answered both questions correctly, what percent answered neither question correctly?p>
Ready4	<p>A student's average (arithmetic mean) test score on 4 tests is 68. What must be the student's score on a 5th test for the student's average score on the 5 tests to be 70?p>
Ready4	<p>The ratio of the height of a regular cylindrical container to the radius of its base is approximately 4.3 to 3. If the radius of the base is 6 meters, what is the approximate height of the container, in meters?p>
Ready4	<p>A security code is to consist of 3 different letters of the alphabet from A to Z inclusive except the first letter cannot be a vowel (A, E, I, O, or U). How many different combinations for the security code are there?p>
Ready4	<p>If $8^{10}\cdot 5^{29}=2\cdot 10^k$ , what is the value of $k$ ?p> <p>p>
Ready4	<p>If $5^{17}\cdot 9^9=3\cdot 15^m$ , what is the value of $m$ ?p> <p>p>
Ready4	<p>The ratio of tokens Bo has to tokens Huan has is 3:11. After Huan gives Bo 50 tokens, the ratio of tokens Bo has to tokens Huan has will be 5:9. How many more tokens will Huan have than Bo after the 50 tokens are given?p> <p>p>