A man is 4 years older than his wife and 5 times as old as his son. When the son was born, the age of the wife was 6/7 the age of her husband. Find the age of the son now.

Q: How much bigger is the garden on the left than the garden on the right

A: Redrawn the given figure

Q: How much more money would be in his account after 5 years if he saved $300 than if he saved $250?

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 boy is one-third as old as his brother and 8 years younger than his sister. The sum of their ages…

A: Let,Boy's age be'x' yearsLet his brother's age be 'y' yearsLet his sister's age be 'z' yearsGiven…

Q: The population of a city decreases by 3.4% per year. If this year’s population is 204,000 what will…

A:

Q: Elmo is 2 yrs. older than his Brother. The sum of their ages is 18 yrs. How old are they?

A: Let the age of Elmo's brother be x. Then the age of Elmo would be x+2 as he is 2 years older than…

Q: Zack is 4 times as old as Salman. Zack is also 3 years older than Salman. How old is Zack?

A: Let the age of Zack be x years and the age of salman be y years.Given that Zack is 4 times as old as…

Q: A new car worth $24,000 is depreciating in value by $4,000 per year. After how many years will the…

A: Let 'n' be the numbers of years so that car's values $12,000 Then, 24,000-4,000n=12,000…

Q: Sally can clean the house in 6 hours, her father can clean the house in 4 hours, and her younger…

A:

Q: Suppose a particular antibiotic that is introduced to a petri dish containing 3000 newly discovered…

A: Introduction: Recurrence relation is very important in discrete mathematics. It relates a term with…

Q: A mother is 6 times as old as his daughter. In 3 years she will be 4 times as old. How old is the…

A: given A mother is 6 times as old as his daughter. In 3 years, she will be 4 times as old

Q: Jean is x years old and her younger brother Jonathan is y years old. What will be the sum of their…

A:

Q: How many hours would it take to breathe one billion times if you were breathing at a rate of 12…

A:

Q: town has a population of 15,000 and grows at 7% every year. What will be the population after 10…

A: Explanation of the answer is as follows

Q: If Crystal multiplies her age by 3 and then adds 2, she will get a number equal to her mother's age.…

A: Given that , Mother's age = m Crystal's age in terms of m = ?

Q: While examining evidence from a shooting, a ballistics expert informs Detective Bill that a bullet…

A: Definition used – Reduced fraction – To reduce a fraction we divide both the numerator and…

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

A:

Q: Jim is 3 times as old as his cousin and the difference in their ages is 18. How old is Jim?

A:

Q: If there are initially 3000 bacteria in a​ culture, and the number of bacteria doubles each​ hour,…

A:

Q: Greg is 22years older than his sister Joan. In 19 years, he will be twice as old as Joan. How old is…

A:

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: Ian is 2 years older than Carissa. In 7 years the sum of their ages will be 58. How old is Ian now?

A:

Q: Lena invests $5200 at 3% per year simple interest, while her friend David invests $3600 at 5% per…

A:

Q: Ray is 19years older than his sister Danielle. In 10 years, he will be twice as old as Danielle. How…

A:

Q: The size of the beaver population at a national park increases at the rate of 5.1% per year. If the…

A: Given query is to find population of beaver after 4 years.

Q: Ana is five years older than Beth. In five years, the product of their ages is 1.5 times the product…

A: Given problem:- Ana is five years older than Beth. In five years, the product of their ages is 1.5…

Q: With two reapers operating, a field can be harvested in 1 h. If only the newer reaper is used, the…

A: Time taken by both the reapers working together is 1 h. Thus, work done by both the reapers is,…

Q: The product of john age (in years) for 5 years age with his age (in years) 9 years later is 15 .Find…

A: The product of john age (in years) for 5 years age with his age (in years) 9 years later is 15

Q: Agnes is 6 years older than her sister. She will be twice as old as her sister in 4 years. How old…

A: GIVEN : Agnes is 6 years older than her sister. In 4 years, Agnes will be twice as old as her…

Q: How many years would it take to breathe one billion times if you were breathing at a rate of 12…

A: We can use the simple arithmetic in order to solve the problem.

Q: Maria is 36 years old. Maria was twice as old as Adrian was when Maria was as old as Adrian is now.…

A: Given that Maria is 36 years old. Also, Maria was twice as old as Adrian was when Maria was as old…

Q: The population of the village is 5000. If in a year, the number of males were toincrease by 5% and…

A:

Q: A new car worth $30,000 is depreciating in value by $3,000 per year. After how many years will the…

A:

Q: Janes mother is 3 times as old as Jane, and in 16 years from now she will be twice as old as Jane is…

A:

Q: Tanya is 12 years older than Leah . Three years ago , Tanya was five times as old as Leah . What is…

A: Tanya age =18 years  Leah age = 6 years  For detail...go through the solution

Q: Gwen is twice as old as Arni was when Gwen was as old as Arni is now. If Gwen is 24 years old now,…

A:

Q: In one of the laboratories, it conducted an experiment on 900 insects to prove the effectiveness of…

A: x = input("Enter no.of insects died in first hour : ")n = 7;f = 900;while n >= 1    n = n-1;…

Q: If there are initially 4500 bacteria in a​ culture, and the number of bacteria doubles each​ hour,…

A: In the question we have to find t when the number of bacteria in the culture reach 20,000​.

Q: A person has two times as many nickels as quarters. If the total face value of these coins is $5.25,…

A: Given:The person has two times as many nickels as quarters.Total face value of the coins $ 5.25.

Q: The size of the wolf population at Isle Royale National Park increases at a rate of 4.3% per year.…

A:

Q: Sadam is 10 yrs. More than twice Larry’s age, 4 yrs. ago Sadam was three times as old as Larry. How…

A: Given: Sadam is 10 yrs. More than twice Larry’s age, 4 yrs. ago Sadam was three times as old as…

Q: A father is three times as old as his son, and his daughter is 3 years younger than the son. If the…

A: given A father is three times as old as his son, and his daughter is 3 years younger than the son.…

Q: In a northern European country, the formula y=0.035x2−2.8x+62.56 models the number of deaths per…

A:

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: Fahad is 4year old than huma and ali is 2 years younger than huma. If the sum of there ages is 47…

A: Let, age of Huma= x years So the age of Farhad= (x+4) years The age of Ali is =(x-2) years

Q: Find two numbers differing by 38 whose product is as small as possible

A: let  one number = x  as difference between numbers = 38 other number = x + 38   Product of two…

Q: A man’s age is 36 and that of his daughter is 3 years. In how many years will the man be 4 times as…

A: Man's age = 36 Daughter's age = 3  Let after x years man will be 4 times as old as his daughter

Q: A sugar molecule has twice as many atoms of hydrogen as it does oxygen and one more atom of carbon…

A: let the number of molecules of oxygen be x  Then the number of molecules of oxygen will be 2x and…

Q: The count of a bacteria in a culture was 5 initially and doubles every 30 minutes. Find the size of…

A:

Q: Irma is 3 years older than Tim, and double the age than Hanna. tim is 2 years older than Hanna how…

A: