Question 2: 4/5 - 1/2 =
Question 3: How many integers between 1 and 50 contain the digit 3?
Question 4: A middle school has 116 students enrolled in four classes. If there is an equal number of students in each class, what is a way to determine the number of students in 5th grade?
Question 5: The price of shirts in a store is $20 and the price of ties in the same store is $15. A customer buys 2 shirts and 3 ties during a sale when the price of shirts is discounted 15% and the price of ties is discounted 10%. How much did the customer save due to the sale?
Question 6: If n is an odd integer, which of the following must be an even integer?
Question 7: What is the sum of angles α + β in the right triangle below?
Question 8: The price of wheat was $5/bushel on January 2007 and $9/bushel on January 2008. By what percentage did the price change?
Question 9: Which of the following is equivalent to 42/9 ?
Question 10: What statement is true about the figure below, if ABCD is a square?