1. In a group of 20 students, there are 8 boys and 12 girls. What is the ratio of boys to girls in simplest form?

1. 8:12
2. 2:3
3. 3:2
4. 8:20

2. A train travels 300 miles in 5 hours. What is the train's unit rate of speed?

1. 50 miles per hour
2. 300 miles per 5 hours
3. 60 miles per hour
4. 1500 miles per hour

3. Solve the proportion for x: \( \frac{x}{9} = \frac{10}{30} \)

1. x = 1
2. x = 27
3. x = 3
4. x = 90

4. What is 25% of 80?

1. 20
2. 25
3. 40
4. 8

5. A pair of jeans costs $50. They are on sale for 30% off. How much money do you save with the discount?

1. $30
2. $20
3. $35
4. $15

6. Your restaurant bill is $40. What is the total cost after you add a 20% tip?

1. $42
2. $48
3. $60
4. $8

7. A recipe calls for 2 cups of sugar for every 5 cups of flour. If you use 15 cups of flour, how much sugar do you need?

1. 4 cups
2. 5 cups
3. 6 cups
4. 12 cups

8. A 10-ounce bottle of juice costs $2.50. What is the unit price per ounce?

1. $0.10 per ounce
2. $0.25 per ounce
3. $2.50 per ounce
4. $4.00 per ounce

9. A video game that normally costs $60 is on sale for 25% off. What is the final sale price?

1. $15
2. $25
3. $45
4. $50

10. You buy a new book for $20. The sales tax is 5%. How much is the tax?

1. $0.50
2. $1.00
3. $2.00
4. $5.00