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

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