# Time - practice problems

#### Number of problems found: 2840

- Human population

The populations of two cities after t years can be modeled by -150t+50,000 and 50t+75,000 . What is the difference in the populations of the cities when t=4? - The midday

The midday temperature in Pensacola Beach was 84°F. The temperature then changed –2°F per hour for the next 5 hours. The expression 84 − |−2 ⋅ 5| represents the current temperature. What is the current temperature in degrees Fahrenheit? - A population

A population of fish starts at 8,000 and decreases by 6% per year. Use an exponential function to find the population of fish in 10 years. - Robotics team

The 4 robotics team members held a car wash to raise money. To attract customers, each person held a sign by the road for an equal portion of the car wash, which lasted 3 hours in all. How long did each person hold the sign? - A car 9

A car travels at 34 km/hr. How far does it take to travel in 2 hours? - Kelly earning with overtime

Kelly earns $12 an hour. She works 40 hours a week with time and a half for overtime. Kelly worked 46 hours. How much did she earn? - The restaurant

The restaurant is 3/8 miles from the office. She makes the walk in 7 1/2 minutes. At the same rate, how long will it take her to walk the two miles from her home to her office? - Horseback riding

The total cost to go horseback riding is x dollars per hour plus a $2 fee for renting a helmet. Which expressions represent the cost, in dollars, for 4 people to go horseback riding for 3 hours each? Select all that apply. Responses: A = 4(3x+2) B = 3(4x+ - Drain and inlet

The reservoir is filled with inflow in 12 hours. It will drain through the drain in 9 hours. Can the tank overflow if we leave the inlet and outlet open at the same time? - An electrician 6

An electrician can wire 4 1/2 rooms in 3 hours. How long does it take him to wire each room? - Veronica

Veronica walks dogs in her neighborhood for extra money during the summer. For each dog walk, she earns $5.25. On Monday, she completed 3 walks, and on Tuesday, she completed 2 walks. She estimates that to save up for a new purse that costs $86, she must - Painting a room

If 1 person can paint a room in 6 hrs, how many hours will 3 people finish painting the room? - A farmer 9

A farmer has 3 hectares of an orchard. ½ of the land is occupied by apples, ⅙ of the remainder is occupied by lemon trees, and tree tomatoes occupy the rest of it. Find the fraction of the land occupied by tree tomatoes. - Miniature train

Allen's miniature train travels at a rate of 20 meters in 2 minutes. At this rate, how far will the train travel in 10 minutes? - Temperature drop 5

The temperature outside currently is 32 degrees, dropping at an average rate of 4 degrees per hour. If the temperature continues to drop at this rate throughout the evening, what will the temperature be in 9 hours? - Free time club

There are 60 children in a club 1/3 of them play football, 2/5 of them play cricket, and the rest play basketball. How many children play basketball - Play video game

Tyson plays video games about 2 1/2 times more than the average kid. His mother thinks that he should cut down on his playing time by 1/4 of the time. How will Tyson's gaming compare to the average kid's if he makes this change? - Write a blog

You spend 2 1/2 hours online. You spend 1/5 of that time writing a blog. How long do you spend writing that blog? - Aling

Aling Rosa can sew 8 dresses in 12 days. How many dresses can she sew in 16 days? - Working together

Zeru can complete a certain job in 5 days, and Tulu can complete the same job in 3 days. How long will they complete the job if they work together?

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