MO Z8-I-1 2018
Fero and David meet daily in the elevator. One morning they found that if they multiply their current age, they get 238. If they did the same after four years, this product would be 378. Determine the sum of the current ages of Fero and David.
Correct answer:
Tips for related online calculators
Are you looking for help with calculating roots of a quadratic equation?
Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?
Do you solve Diofant problems and looking for a calculator of Diofant integer equations?
Do you want to convert time units like minutes to seconds?
Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?
Do you solve Diofant problems and looking for a calculator of Diofant integer equations?
Do you want to convert time units like minutes to seconds?
You need to know the following knowledge to solve this word math problem:
- algebra
- quadratic equation
- equation
- integer equation
- system of equations
- biquadratic equation
- basic functions
- reason
- numbers
- natural numbers
Units of physical quantities:
Themes, topics:
Grade of the word problem:
Related math problems and questions:
- Grandfather's 2876
To the question: How old are your two grandchildren? grandfather answers: if I add their sum to the product of the numbers that determine their age, I get 14. How many years have grandfather's grandchildren? Think only for years. - Ages 2
A man's age is 4 times his son's age. After 5 years he will be just twice his son's age, find their ages. - I think
I think a number. When I multiply it by five, and after that I subtract 477, I get the same number as if I multiplied it twice. What number do I think? - Daughters
The man conducting the census asks a woman to age of three daughters. Woman says when multiply the age getnumber 72; if their ages add up, get a number of our house, as you see. The man says: That is not enough to calculate their ages. She says: my oldest - Granddaughter
In 2014, the sum of the ages of Meghan's aunt, her daughter and her granddaughter was equal to 100 years. In what year was the granddaughter born, if we know that the age of each can be expressed as the power of two? - The ages
The ages of the four sons make an arithmetic sequence, the sum of which is the age of the father today. In three years, the father's age will be the sum of the ages of the three eldest sons, and in the next two years and three months, the father's age wil - Two ages
Gabrielle is 9 years younger than Mikhail. The sum of their ages is 87. What is Mikhail's age? - Maria 2
Maria is 7 years older than her brother Robert and in 2 years her age will be four times what Robert’s age was three years ago. Find their present ages. - Two-digit number
In a two-digit number, the number of tens is three greater than the number of units. If we multiply the original number by a number written in the same digits but in reverse order, we get product 3 478. Find the original number. - A koala
A koala lives to be 14 years old in the wild. How much longer will a 2-year-old koala probably live? - Ages Father is 36 years old, and his daughter is 4 years old. Write down the ratio of the age of father and daughter. In what ratio will the ages of father and daughter after 4 years?
- Grandchildren 33491
Grandma is 72 years old. It's four times the sum of the ages of her two grandchildren. The age of the older of them is twice the age of the younger grandson. How old is your younger grandson? - Ben gave
Ben gave BTC 900 to his three children. Everyone received the money in the proportion of their ages. If their ages are 2yrs, 3yrs, and 4yrs, how much did each get? - Three friends
Cuba, Matthew and their friend Adam found a brigade during their weekend weekends because they wanted to make a joint trip to the Alps that they planned for the spring break. Cuba enjoyed the skiing trip very much, so he was not lazy to get up and went to - Father 7
Father is six times older than his son. After four years, the father will only be four times older. What are their present ages? - Pucks
The coach went to buy balls and pucks for his charges. He paid CZK 1,464 for 21 balls and 30 pucks. But then he found out that this amount would not be enough for him, so the next day he bought 9 balls and 10 pucks for 536 CZK. How much did 1 ball cost an - Together 65964
Danka and Janka are the same age. If one were ten times less and the other five times less, they would only have three years together. How old are Jana and Danka?
