hughesbillyrobert hughesbillyrobert

17-06-2021
Mathematics

contestada

The oldest child in a family of four children is twice as old as the yougest. The two middle children are 12 and 15 years old. If the average age of the children is 12.75 , how old is the youngest child?

Respuesta :

meragserrano meragserrano

17-06-2021

Answer:

8 years old

Step-by-step explanation:

oldest= 16

8+12+15+16= 51

51/4 = 12.73 ( average)

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