Respuesta :

Nazlee
First, you add up the lengths, 25 + 35 + 45 = 100
then, you divide by the number of objects (in this case, three)
100÷3= about 33.33
so, 33.33 is the average length of the aircraft
1221221
first, add them up and get 40+35+25= 100.  Then, divide it all by 3.

Hope this helps!