Challenging Math Concepts

What is the ratio of 20 to 50 in simplest form?

• 4 to 10

• 3 to 5

• 1 to 2

• 2 to 5

If 3 apples cost $1.50, how much do 12 apples cost?

• $8.00

• $4.50

• $3.00

• $6.00

A recipe requires a ratio of 2:3 of sugar to flour. If you use 6 cups of flour, how much sugar do you need?

• 3 cups of sugar

• 6 cups of sugar

• 2 cups of sugar

• 4 cups of sugar

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

• 30 miles per hour

• 75 miles per hour

• 50 miles per hour

• 100 miles per hour

A shirt is on sale for 25% off its original price of $40. What is the sale price?

• $35

• $20

• $30

• $15

If a student scored 80% on a test with 50 questions, how many questions did they answer correctly?

• 50

• 40

• 30

• 45

A store bought a laptop for $800 and sold it for $1000. What is the profit made on the laptop?

• $300

• $150

• $500

• 200

If a person invests $2000 at a simple interest rate of 5% per year, how much interest will they earn in 3 years?

• $300

• $200

• $500

• $150

What is the proportion of boys to girls in a class of 15 boys and 10 girls?

• 5:3

• 4:3

• 2:1

• 3:2

If a product originally costs $60 and is now priced at $48, what is the percentage decrease in price?

• 15%

• 30%

• 20%

• 25%