Exhibit 5-4 A local bottling company has determined the number of machine breakdowns per month and their respective probabilities as shown below. Number of Breakdowns Probability 0.12 0.38 0,25 0.18 0.07 O1N M 4

A huge suspended LED screen is the centerpiece of The Place, a popular mall in Beijing, China. Find the length and width of a similar rectangular screen if the length is 5 meters more than 5 times its width, and the viewable area is 4,650 square meters. length = ? m width = ? m

The quotient of nine minus a number and eight equals ten. What is the value of the number?

If Anna and Tamera drive 5x - 5 hours over the four days and the plan to travel 4.5 hours each day (x = 4.5), how many hours will they drive over the four days? Note the expression 5x - 5 represents the total time traveled.