images of 7 boys are (X + 7),( x+5),(×+3),(×+1),(×-1),(×-3),(×-5), respectively. what is the their average age ?
Answers
Answered by
2
Answer:
Their average is x+1
Step-by-step explanation:
X+7+x+5+x+3+x+1+x-1+x-3+x-5/7
=7x+7/7
=x+1
Similar questions