Math 25

Question 1:

A package of 8 pairs of socks is priced at $7.50 now. If the socks go on sale for 30% off the current price, what will be the sale price of the package?

Question 2:

Abhinav had 6 more candy bars than Sarah. Then Sarah gave him 2 candy bars. Now how many more candy bars does Abhinav have than Sarah?

Question 3:

Which of the following inequalities is equivalent to 5x + 9 ≤ 14?

Question 4:

One route from Grafton to Blue Neck is to drive north from Grafton about 200 miles to Jamesville, then drive west from Jamesville about 140 miles to Blue Neck. If there was a direct road from Grafton to Blue Neck, about how many miles long would it be?

Question 5:

In the standard (x,y) coordinate plane, which of the following lines goes through (0,4) and is perpendicular to y = 5x – 1?

Question 6:

Up to three distinct lines are drawn in a plane. These lines separate the plane into distinct regions. Which of the following could NOT be the number of distinct regions of the plane separated by these lines?

Question 7:

[Calculator Allowed] A group of ninth grade students at Lincoln High responded to a survey asking what science class they were currently enrolled in. What is the probability that a surveyed student was taking Earth Science?

Question 8:

[Calculator Allowed] A group of ninth grade students at Lincoln High responded to a survey asking what science class they were currently enrolled in. If a male student from the survey is chosen at random, what is the probability that he is in either Bio or Chem?