The number of bacteria doubles every 36 hours. There are currently about 50 bacteria. How many bacteria will there be after 9 days?

Q: Many soft drinks contain about 40 mg of caffeine in one can. Every 5 hours, the mass of caffeine in…

A: Hope it is useful

Q: A local park had a population of 76 squirrels in 2008, if the population grows 29% every 2 years.…

A: Given :Population of squirrels in 2008= 76Incresed rate in 2 years = 29 %

Q: Last year, Maddy worked twice as many hours a week as Sally but this year she is working 8 hours…

A:

Q: After m minutes, an adult blinks about 10m +3 times. About how many times does an adult blink in…

A: 13) Given that after m minutes an adult blinks 10m+3 times.

Q: A company hopes to expand their business by 36% in the coming year.  If they currently employ 21…

A: Given a company hopes to expand their business by 36% in the coming year and currently number of…

Q: If a chicken and a half lays an egg and a half in a day and a half how many eggs can 30 chickens lay…

A: It is given that a chicken and a half lays an egg and a half, in a day and half.That is, 1.5…

Q: How many 3 3/4 wires can be cut from a spool of wire that is 100 inches long ? Will there be any…

A: Let total length of a wire is x inches. If we have to cut short wires each of length y inches, then…

Q: If a bottle was 2 thirds full and someone pours out a quarter of that liquid how much is left?

A: This is a problem of mathematical application. By using fractional rule we will calculate the…

Q: The number of people in a group doubles every half an hour. If there are 2 people now, how long…

A: Here given that the number of people in a group doubles every half an hour hence population get 4…

Q: Thirty-two men can reap a field in 18 days. If the field is to be reaped in 12 days, how many men…

A:

Q: The number of bacteria triples each day. How many bacteria will a sample have after ten days if it…

A:

Q: A tennis player uses up 800 calories every hour. In 1 hour and 15 minutes, how many calories does…

A:

Q: a small herd of cattle consumes fourteen bales of hay in 2 weeks. how many bales will this herd…

A: Given:Herd of cattle consumes fourteen bales of hay in 2 weeks.

Q: A scientist observed that a certain species of bacteria grew by 18% each hour. How many bacteria…

A: Given that a certain species grew by 18% each hour. To find the number of bacteria present after 5…

Q: There are 63 ducks, 27 gooses and an unknown amount of chickens, if 40% of the total number of…

A: First we calculate the number of chickens . To find how many ducks are more than chickens we deduct…

Q: Eight years ago, Zian was 4 times as old as Xander. How old is Xander now if his age is one-half of…

A: Assume that Xander was x years old 4 years ago. So Zian was 4x years old.

Q: If 3 men can do a portion of a job in 8 days, how many men can do the same job in 6 days?

A: As per our answering guidelines we are allowed to answer only one question. Kindly repost others.…

Q: If you can walk 3 1/3 miles in an hour, how many miles can you walk in 30 minutes, given the same…

A:

Q: A new car worth $27,000 is depreciating in value by $3,000 per year. After how many years will the…

A:

Q: If it takes 27 gallons of fruit punch to serve 135 guests, how many gallons of punch would be needed…

A: 27  gallons of fruits used to serve 135 guests Let one guest used x gallons of fruits 135 guests…

Q: There are approximately 2 lbs of body weight for every 3 lbs of body weight of a certain animal for…

A: Assume weight of muscle be x

Q: A man is 21 years older than his son. Five years ago he was 4 times as old as his son. What are…

A: Let the age of son be x years, then the age of man is (x + 21) years, because man is 21 years older…

Q: A scientist observed that a certain species of bacteria grew by 11% each hour. How many bacteria…

A: Answer and explanation is given below...

Q: One painter can paint a house in 8 days, and a more experienced painter can paint the house in 3…

A:

Q: A group of friends agrees to share the cost of a $480,000 vacation condominium equally. Before the…

A: Given:Let x be the number of people who were in the original group of friendsBefore the purchase is…

Q: If 8 workers can finish a job in 14 hours, how many workers will it take to finish the same job in 6…

A:

Q: If it takes 4 men 6 hours to landscape a recreation area, how many hours will it take 3 men to…

A:

Q: If someone worked one job at $10 an hour and another job at $12 an hour and made $480 in one week,…

A: Let, the number of hours the person worked at first job = x hours and the number of hours the person…

Q: A minor-league baseball team plays 93 games in a season. If the team won 17 more than three times as…

A:

Q: A small herd of cattle consumes fourteen bales of hay in two weeks. How many bales will this herd…

A: To determine: A small herd of cattle consumes fourteen bales of hay in two weeks. How many bales…

Q: In a college, there are 13 times as many students as professors. If together the students and…

A: Let students be represented as S. Let professors be represented as P. Total number of students and…

Q: One custodian cleans a suite of offices in 5 hours. When a second worker is asked to join the…

A: Given 1 custodian cleans a suite of offices in 5 hours. When a second worker is asked to join the…

Q: when you were a freshman, there were 350 students in your class. in recent years, only 4 out of 7…

A: Total number of student in class: 350

Q: If you go to school for 178 days each year and each day is 8 hours long, how many minutes are spent…

A: given that we goes to school for 178 days in each years and will spend 8 hours a day in the school.…

Q: Andrei has 3 pizza stores and wants to dramatically expand his franchise nationwide. If the number…

A: If a1,a2,a3,a4,...............     are in Geometric Progression (GP) series,Then, nth term= a.(r)n-1…

Q: A human brain contains 3 * 1010 neurons and a gorilla brain contains 7.5 * 109 neurons. How many…

A: Number of neurons in human brain = 3×1010Number of neurons in gorilla brain = 7.5×109Let n be the…

Q: The number of people infected with coronavirus doubles every 3.0 days. How many days does it take…

A: Given that the number of people infected with coronavirus doubles every 3.0 days.

Q: How many gallons of gasoline that is 12% ethanol must be added to 2,000 gallons of gasoline with no…

A: Let x be the amount of gallons of gasoline to be added.From given statement, it is observed that the…

Q: bacteria culture initially contains 2000 bacteria and doubles every half hour.

A:

Q: How many gallons of pure alcohol should be added to 40 gallons of a 25% alcohol to obtain a mixture…

A: Explanation and solutions is given below....

Q: Andrea is 50 years old, and her daughter is 10 years old. In how many years Andrea will be three…

A: Given  Andhra 50 years old and her daughter is 10 years old we need to find after how many years…

Q: If 4 cooks can prepare a buffet in 15 minutes, how long would it take 6 cooks?

A: It will almost take the same amount of time since they are cooking the same amount and the food…

Q: how many apartment buildings are to house 4500 people if each building can house 180 people?

A:

Q: An experiment in science class starts with 30 bacteria and the amount of bacteria doubles every…

A: To find the bacteria after 6 hours

Q: A leaking pond loses 18 gallons of water in 37 hours. How many gallons of water will it lose in 42…

A:

Q: The number of bacteria in a colony doubles every 30 minutes. If there are 2 bacteria now, how long…

A: to solve this problem we have to use geometric progression.

Q: The father is 4 times as old as his daughter 5 years ago. In 6 years, he will be three times as old…

A: present age of daughter be x present age of father be y   5 years ago   daughhter's age :  x-5…

Q: Each day the sharks at an aquarium are each fed 6 pounds of fish for every 75 pounds of their body…

A: