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. I
f the average age of the children is 12.75 , how old is the youngest child?
1 answer:
Answer:
8 years old
Step-by-step explanation:
oldest= 16
8+12+15+16= 51
51/4 = 12.73 ( average)
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