Exploring Direct Variation in Everyday Situations

If the cost of 5 apples is $3, what is the cost of 12 apples?

• $4.50

• $5.00

• $7.20

• $9.00

A car travels 60 miles in 1 hour. How far will it travel in 4 hours?

• 180 miles

• 300 miles

• 240 miles

• 120 miles

If a recipe requires 2 cups of flour for 4 servings, how much flour is needed for 10 servings?

• 5 cups

• 3 cups

• 4 cups

• 6 cups

The number of hours worked is directly proportional to the amount of money earned. If 8 hours of work earns $120, how much will 15 hours earn?

• $180

• $150

• $300

• $225

A car's fuel consumption is directly proportional to the distance traveled. If it uses 10 gallons for 200 miles, how many gallons will it use for 500 miles?

• 30 gallons

• 15 gallons

• 20 gallons

• 25 gallons

If the temperature in Celsius is directly related to the temperature in Fahrenheit, and 0°C is 32°F, what is the Fahrenheit equivalent of 20°C?

• 32°F

• 100°F

• 68°F

• 50°F

A painter charges $200 for 5 hours of work. How much will he charge for 12 hours of work?

• $400

• $300

• $480

• $600

The number of pages printed is directly proportional to the time spent printing. If 100 pages take 2 hours, how long will it take to print 250 pages?

• 3 hours

• 4 hours

• 6 hours

• 5 hours

If a car can travel 300 miles on 10 gallons of gas, how many gallons will it need to travel 450 miles?

• 20 gallons

• 12 gallons

• 10 gallons

• 15 gallons

The weight of a package is directly proportional to its shipping cost. If a 10-pound package costs $15 to ship, how much will a 25-pound package cost?

• $20.00

• $30.00

• $37.50

• $45.00