If the population of the country doubles in 50 years, how many years it would triple?

Q: -. If one bacteria doubles every 45 mins, how many bacteria will be present after half a day?

A: We will find out the required value.

Q: a) If a car depreciates at 15% per year, how long is it until it is worth half of its original…

A: a) Given that a car depreciates at 15% per year. To find the time when it is worth half of its…

Q: Assume an average human heart beats 65 times per minute and an average human lifetime is 80 years.…

A: Known Facts:

Q: A town has a population of 5000 and grows at 4% every year. What will be the population after 7…

A: Given a town with population of 5000, grows at 4% every year. To find the population of the town…

Q: If a total number of infections of a viral disease was observed to be 48 in day 27 and 900 in day…

A: Since the growth is exponential , so it is of the form P(t)=P0ert where P(t) is the number of…

Q: A city's population is currently 29,000 and is growing by 3.9% each year. If this continues, in how…

A:

Q: There is a population of 65 bacteria in a colony. If the number of bacteria doubles every 484…

A:

Q: May is 5 years older than June. 7 years ago, May was two times as old as June. Find their present…

A: To convert the given word problem into equations and find the unknown ages

Q: A town has a population of 17000 and grows at 4% every year. What will be the population after 12…

A: Pi = Initial population of the townR = Yearly rate of increase of population T = Time in…

Q: A city has been found to have a population that triplesevery four years. If the city’s population is…

A:

Q: The doubling time of a bank account is 15 years.  By what factor does it grow in 45 years?

A:

Q: A certain culture of the bacterium rhodobacter sphaeroides initially has 22 bacteria and is observed…

A: Solved below

Q: A particular car is said to depreciate 15% each year. If the car new was valued at $20,000, what…

A:

Q: A town has a population of 13000 and grows at 2.5% every year. What will be the population after 5…

A: To find the population after 5 years

Q: According to statistics, a person will devote 34 years to sleeping and watching TV. The number of…

A: Given,  A person will devote 34 years to sleeping and watching TV.  The number of years sleeping…

Q: According to statistics, a person will devote 35 years to sleeping and watching TV. The number of…

A: We have to find

Q: If the population of a small city is 35,000. If the immigration laws allow population to grow by…

A:

Q: The population of a country doubles in 50 yrs. How many years will it be 7 times as much?

A: The population of country becomes double in 50 years.

Q: If 10% of a radioactive substance decays after 33 years. How much will remain after 200 years?

A: Let in starting the radioactive substance = No And after t time it becomes N

Q: The population of a city doubles every 15 years. At this rate, how long will it take the population…

A:

Q: An additional radio satellite dish is being added to an array of dishes. This newly added dish is 2…

A: Age of old dish = x+2 Age of new dish = x

Q: If sandago has a present population of 70000 and the population increase by 3% each year. What will…

A:

Q: Suppose you save $5 each week. At the end of one year, how much money will you have saved?

A: Given : you save $5 each week Total week in one year =52

Q: According to​ statistics, a person will devote 3131 years to sleeping and watching TV. The number of…

A:

Q: The bacteria in a petri dish grow in a manner such that each day the number of bacteria doubles. On…

A: Hey, since there are multiple questions posted, we will answer the first question. If you want any…

Q: In what year would you expect the world's population to exceed 9 billion?

A: Given that the world's population can be projected using the model N=N0ekt. where N is the future…

Q: In four years time a mother will be three times as old as her son. Four years ago she was five times…

A: Let M be the present age of the mother and S be the present age of the son.

Q: - The population of a country doubles in 82 yrs. How many years will it be five times as much?

A: We have to solve given problem:

Q: 4. If the population of the country doubles in 50 years, how many years it would triple?

A:

Q: What is Farah's age twenty years from now if she was x years old 10 years ago?

A: Given thatFarah's age is  x years before 10 years agoTo find Farah's age after 20 years.

Q: A pet dog is now 1 year and 4 months old. how many months old is it now?

A: Given,           A pet dog is now 1 year and 4 months old.

Q: A town has a population of 12000 and grows at 4% every year. To the nearest year, how long will it…

A:

Q: The population of a country doubles in 81 yrs. How many years will it be five times as much?

A: Let 'P' be the number of population then dPdt = KP∫dPP =∫ KdtIn P = Kt +c ......(1)When t = 0  ; P =…

Q: If 10% of a radioactive substance decays after 33 years how much will remain after 200 years?

A:

Q: If sandago has a present population of 70,000 and the population is increasing by 3% each year.…

A:

Q: A culture of bacteria doubles every 2 hours. If there are 500 bacteria at the beginning, how many…

A: The initial population, P0=500Time of growth, t=24 hourstime of doubling, d=2 hours

Q: A population of deer in a forest doubles every 462 days. If there are 56 deer in the forest, how…

A: Doubling of deer in = 462 days Number of days in 6 years = 365*6…

Q: 8 years ago, John was 10 years old. How many years from now will he be three times his age from 8…

A: Let the present age of John be X Then as 8 years ago John was 10 years old X-8=10 X=10+8 X=18.

Q: A city's population is currently 35,000 and is growing by 1.1% each year. If this continues, in how…

A:

Q: If the value of a stock depreciates at 3% a year, what will a $100 investment be worth in 20 years?

A: Given : Initial investment = $100, rate of depreciation = 3% and time = 20 years

Q: A man is three times as old as his son five years ago; he was five times as old as his son was at…

A:

Q: A mother is now three times as old as her daughter. In 4 years, the mother will be four times as old…

A: Let Mother's age now is M years Daughter's age is D years Given mother is now three times as old as…

Q: . How much money will the customer have in the account after 5 years?

A:

Q: If the population of a small city is 55,000. If the immigration laws allow population to grow by…

A: Let's say P represents the population and t represents the time in year.Hence, dP / dt = 900Hence,…

Q: The population of a city is 133,000 If the population is declining continuously by 2.9% per​ year,…

A: To determine the time when the population is decreasing at a rate of 1560 people per year.

Q: What is the doubling time of the bacteria population given that it quadruples every 92 minutes?

A: Given,Bacteria population quadruples every 92 minutes.

Q: The halflife of Radium-226 is 1590 years. If a sample contains 500 mg, how many mg will remain after…

A:

Q: A town has a population of 17000 and grows at 3% every year. What will be the population after 7…

A:

Q: According to statistics, a person will devote 31 years to sleeping and watching TV. The number of…

A: To find: The number of years will the person spend on each of these activities. Given information: A…

Q: Assume an average human heart beats 65 times per minute and an average human lifetime is 80 years.…

A: Average life span of human being is 80 years.The rate of heartbeat is 65 beats per minute.