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and 
and 
are considered?
such that the expression:
?
are all real numbers.
and 
to get 
?
to get the quotient of the numbers 
and 
?
is the solution of the equation 
is a solution to the following equations:
is the solution of the following equations:
more students than in the second group. How many students are in each group if there are a total of 
students?
and add 
to the product, we get 
. Find this number .
to trice a certain number 
, we get the same value as when we subtract number 
from twice the number. Find the number 
. Find the numbers.
to the quotient of the number 
and 
, we get the same value as the quotient of the number 
. What is the number, 
.
and thereafter 
is subtracted from it. The result is multiplied by 
to get 
. Find the number.
and increase the numerator by 
. Find the numerator of the original fraction .
from a certain number and then add 
to the obtained difference, we get the square of the original number. Find the number.
years old when she gave birth to her daughter, Sara. In how many years will Maja be three times older than Sarah?
years old and his son is 
years old. How many years ago was the father three times older than his son?
and the ages of their children are 
, 
and 
years old. In how many years will the sum of the ages of all their children be equal to the sum of the ages of the father and mother?
. Write down this number.
legs. How many chickens and how many cows does the farmer have?
rooms that has either 
or 
beds. How many rooms with two beds and how many with four beds are there, if all the beds together are 
.
candies. How many candies does each individual have?
at a flower shop to buy 
roses and 
orchids. Jerry paid 
in the same flower shop to buy 
orchids. How much is one rose and how much is one orchid?
is obtained. If we multiply the numerator of the same fraction by 2 and reduce the denominator by 3, we get the number 2. Which fraction is this?
. Find the original fraction.
natural numbers and draw a graph of the dependence.
is a solution to the equation:
and 
have the same value. Write the appropriate equation and find the value of the variable 
for which the above statement applies.
