Solving Negative Rational Number Word Problems

A submarine is at a depth of -150 meters. If it ascends at a rate of 5 meters per minute, how many minutes will it take to reach a depth of -100 meters?

• 10 minutes

• 20 minutes

• 15 minutes

• 5 minutes

A temperature dropped from -5 degrees Celsius to -12 degrees Celsius. What is the change in temperature?

• -3 degrees Celsius

• -7 degrees Celsius

• -10 degrees Celsius

• -5 degrees Celsius

A bank account has a balance of -$200. If $50 is deposited, what will the new balance be?

• -100

• -250

• 0

• -150

A hiker descends from a mountain peak at -300 meters to a valley at -450 meters. If the hiker descends at a rate of 10 meters per hour, how many hours will it take to reach the valley?

• 15 hours

• 10 hours

• 25 hours

• 20 hours

A car's fuel efficiency is -15 miles per gallon when driving in reverse. If the car travels -45 miles, how many gallons of fuel were used?

• 10 gallons

• 5 gallons

• 1 gallon

• 3 gallons

A roller coaster drops from a height of -120 feet to -180 feet. What is the total drop in feet?

• 40 feet

• 100 feet

• 80 feet

• 60 feet

A diver is at a depth of -60 feet and swims up to -30 feet. How many feet did the diver swim?

• 30 feet

• 50 feet

• 40 feet

• 20 feet

A stock price fell from -$30 to -$45. What is the difference in the stock price?

• -$20

• -$10

• -$15

• -$25

A temperature reading was -10 degrees in the morning and -20 degrees in the evening. What is the average temperature for the day?

• 0 degrees

• -25 degrees

• -15 degrees

• -5 degrees

A debt of -$500 is paid off in installments of -$50. How many installments are needed to pay off the debt?

• 10

• 15

• 5

• 20