Question 1: Express 45% as a fraction out of 100 in simplest form.

Answer: 9/20

Question 2: Convert 30% to a fraction out of 100.

Answer: 30/100

Question 3: Simplify the fraction 60/100.

Answer: 3/5

Question 4: A shirt is 75% off. Write 75% as a simplified fraction.

Answer: 3/4

Question 5: Convert 12.5% to a fraction out of 100.

Answer: 12.5/100

Question 6: Express 25% as a simplified fraction.

Answer: 1/4

Question 7: If 60% of a number is 36, what is the number?

Answer: 60

Question 8: A survey shows that 45% of students prefer tea. If there are 200 students, how many prefer tea?

Answer: 90

Question 9: Construct a triangle on the grid with one side representing 40% of the total length and label it accordingly.

Answer: Student draws and labels the side as 40 units (assuming total length is 100 units).

Question 10: Plot the graph of y=2x for x values of 0, 25, 50, 75, and 100. (Draw on the grid.)

Answer: Student plots points at (0,0), (25,50), (50,100), (75,150), (100,200).

Question 11: A discount coupon gives 25% off. Write this as a fraction in simplest form.

Answer: 1/4

Question 12: Identify and correct the mistake: '50% is written as 1/2, which is incorrect because 50% should be 50/100.'

Answer: The statement is incorrect; 50% is correctly written as 50/100 or 1/2 after simplification.