Chapter 2 Quick Review

A school conducted a survey among 250 students to find out their favorite genre of music. If 30% of the students chose rock, how many students chose rock?

• 75 students

• 100 students

• 50 students

• 125 students

• 0.5

• 70%

What is 12.04 written as a mixed number?

• 12 1/50
• 12 1/10
• 12 1/25
• 12 1/2

In a basket of apples, 70% of the apples are red. If there are 30 apples in the basket, how many are red?

• 15 apples

• 20 apples

• 21 apples

• 25 apples

Calculate the percentage of the given number. 30% of 200

• 40
• 50
• 60
• 70

90 is 12% of what number?

• 1000
• 500
• 300
• 750

• 2.9

• 0.2222

• 0.77777

• 2.09

Lucy and Sam are having a farewell party at a local restaurant. They want to tip the server 15%. Their total bill including tax was $85.60. How much was the tip and total cost?

• $12.84 for the tip and $98.44 for the total cost.
• $10.00 for the tip and $95.60 for the total cost.
• $8.56 for the tip and $94.04 for the total cost.
• $15.60 for the tip and $101.20 for the total cost.