Mastering Negative Division: Real-Life Scenarios for 7th Grade

A submarine is diving at a depth of -120 meters. If it ascends at a rate of -15 meters per minute, how many minutes will it take to reach the surface?

• 8 minutes

• 10 minutes

• 5 minutes

• 12 minutes

A temperature dropped from 5 degrees to -10 degrees. If the temperature decreases at a rate of -5 degrees per hour, how many hours did it take to reach -10 degrees?

• 4 hours

• 5 hours

• 3 hours

• 2 hours

A bank account has a balance of -$200. If $50 is withdrawn each week, how many weeks will it take for the account to reach $0?

• 2 weeks

• 4 weeks

• 6 weeks

• 8 weeks

A car is traveling at a speed of -60 km/h in the opposite direction. If it travels for 2 hours, how far has it gone?

• 60 km

• 240 km

• 100 km

• 120 km

A hiker is at an elevation of -300 feet. If they climb at a rate of -25 feet per hour, how many hours will it take to reach sea level?

• 8 hours

• 15 hours

• 12 hours

• 10 hours

A roller coaster drops from a height of -50 meters. If it drops an additional -10 meters every second, how many seconds until it reaches -100 meters?

• 3 seconds

• 7 seconds

• 5 seconds

• 10 seconds

A plant is growing in a pot that is -15 cm deep. If it grows at a rate of -3 cm per week, how many weeks will it take to reach a depth of -30 cm?

• 3 weeks

• 5 weeks

• 10 weeks

• 7 weeks

A diver is at a depth of -45 meters. If they ascend at a rate of -5 meters per minute, how long will it take to reach a depth of -15 meters?

• 10 minutes

• 6 minutes

• 4 minutes

• 8 minutes

A stock price fell from $20 to -$10. If it continues to drop at a rate of -$2 per day, how many days until it reaches -$20?

• 5 days

• 3 days

• 10 days

• 7 days

A temperature reading of -5 degrees is recorded. If the temperature rises at a rate of -1 degree per hour, how many hours until it reaches 0 degrees?

• 5 hours

• 10 hours

• 3 hours

• -2 hours