Proportions & Scale Factors: Real-World Challenges

A recipe calls for 2 cups of flour to make 12 cookies. How many cups of flour are needed to make 30 cookies?

• 3 cups

• 6 cups

• 4 cups

• 5 cups

A map uses a scale of 1 inch to represent 5 miles. If two cities are 3 inches apart on the map, how far apart are they in real life?

• 25 miles

• 15 miles

• 10 miles

• 20 miles

A car travels 150 miles using 5 gallons of gas. How many gallons of gas would it need to travel 300 miles?

• 20 gallons

• 5 gallons

• 15 gallons

• 10 gallons

A school is planning a field trip and needs to buy tickets for 120 students. If each ticket costs $15, how much will the total cost be?

• $2000

• $1800

• $1200

• $1500

A recipe requires 4 tablespoons of sugar for every 2 cups of water. How many tablespoons of sugar are needed for 5 cups of water?

• 5 tablespoons

• 10 tablespoons

• 8 tablespoons

• 12 tablespoons

A graph shows that 1 hour of study time results in a 20% increase in test scores. If a student studies for 3 hours, what is the expected increase in their test score?

• 100%

• 40%

• 80%

• 60%

A model car is built at a scale of 1:24. If the actual car is 12 feet long, how long is the model car?

• 2 feet

• 0.25 feet

• 0.5 feet

• 1 foot

A fruit stand sells apples at a rate of 3 apples for $2. How much would it cost to buy 15 apples?

• $12.00

• $10.00

• $8.00

• $5.00

A recipe for a cake uses 3 eggs for every 2 cups of flour. If you want to use 6 cups of flour, how many eggs do you need?

• 3 eggs

• 9 eggs

• 6 eggs

• 12 eggs

A graph shows that for every 4 hours of work, a person earns $100. How much would they earn after working 10 hours?

• $150

• $250

• $300

• $200