Mastering Negative Numbers in Real-Life Scenarios

A diver descends 30 feet below sea level. If he ascends at a rate of 5 feet per minute, how many minutes will it take him to reach sea level?

• 8 minutes

• 4 minutes

• 6 minutes

• 10 minutes

A temperature dropped from 10 degrees to -5 degrees. If the temperature continues to drop at a rate of 3 degrees per hour, how many hours will it take to reach -20 degrees?

• 4 hours

• 6 hours

• 7 hours

• 5 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 If $50 is withdrawn each week, how many weeks will it take for the account to reach $0?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

• 8 weeks

• 4 weeks

• 6 weeks

A car travels 60 miles in the negative direction. If it then travels back at a speed of 15 miles per hour, how long will it take to return to the starting point?

• 2 hours

• 5 hours

• 3 hours

• 4 hours

A mountain climber is at an elevation of -1500 feet. If he climbs at a rate of 100 feet per hour, how many hours will it take him to reach the summit at 0 feet?

• 20 hours

• 10 hours

• 25 hours

• 15 hours

A store has a debt of $1200. If they pay off $300 each month, how many months will it take to pay off the debt?

• 2 months

• 4 months

• 6 months

• 8 months

A roller coaster drops 40 feet below ground level. If it rises at a rate of 8 feet per second, how many seconds will it take to return to ground level?

• 15 seconds

• 3 seconds

• 5 seconds

• 10 seconds

A student has a score of -15 on a test. If he improves his score by 5 points each week, how many weeks will it take to reach a score of 0?

• 2 weeks

• 5 weeks

• 3 weeks

• 4 weeks

A factory produces -200 units of a product due to a malfunction. If they fix the issue and produce 50 units per day, how many days will it take to reach a production of 0 units?

• 10 days

• 1 day

• 4 days

• 2 days

A hiker is at a point that is 25 meters below sea level. If he ascends at a rate of 5 meters per hour, how many hours will it take him to reach sea level?

• 5 hours

• 8 hours

• 3 hours

• 10 hours