8 <=u <=12
need at least 8, no more than 12
if you could have fractions of ppl it would be
8 <=u <13
You can’t simplify it any further. 288 1/4 is already simplified.
Answer:
8
Step-by-step explanation:
average is calculated as
average = 
= 13 ( multiply both sides by 2 )
sum of 2 eldest = 26
Then for the 4 children
average =
=
= 8
Answer:
D is the answer
Step-by-step explanation: