bibhutiadhikari444
bibhutiadhikari444 bibhutiadhikari444
  • 13-01-2022
  • Mathematics
contestada

can u solve this questions.​i don't know what to do.

can u solve this questionsi dont know what to do class=

Respuesta :

jimrgrant1 jimrgrant1
  • 13-01-2022

Answer:

8

Step-by-step explanation:

average is calculated as

average = [tex]\frac{sum}{count}[/tex]

[tex]\frac{sum}{2}[/tex] = 13 ( multiply both sides by 2 )

sum of 2 eldest = 26

Then for the 4 children

average = [tex]\frac{26+2+4}{4}[/tex] = [tex]\frac{32}{4}[/tex] = 8

Answer Link

Otras preguntas

what is the definition of an angle?
The Silk Road helped to make this nation prosperous at one time?
Why is it important for writers to keep a record of their reviewed papers?
The sum of the squares of 3 consecutive positive integers is 116. What are the numbers? Which of the following equations is used in the process of solving this
The attraction between various combinations of atoms will produce bonds which form molecules. a. True b. False
mixed number is equivalent to the improper fraction 29/9
What is the perimeter of a10 unit square
who were the first modern people to see the ancient terra cotta soldiers?
What affects did the south had after the civil war
A fence is 6 feet tall. A rope is attached to the top of the fence and fastened to the ground 5 feet from the base of the fence. What is the length of the rope?